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76316825025 = 3452728772
BaseRepresentation
bin100011100010011010…
…1100101010111000001
321021222122120101210000
41013010311211113001
52222244101400100
655020502230213
75341126211100
oct1070465452701
9237878511700
1076316825025
112a402949221
121295a425369
13727305243c
14399d938037
151eb9e7c900
hex11c4d655c1

76316825025 has 135 divisors (see below), whose sum is σ = 164632886649. Its totient is φ = 34847910720.

The previous prime is 76316825003. The next prime is 76316825027. The reversal of 76316825025 is 52052861367.

The square root of 76316825025 is 276255.

It is a perfect power (a square), and thus also a powerful number.

76316825025 is a `hidden beast` number, since 7 + 63 + 1 + 6 + 82 + 502 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4153673601 + 72163151424 = 64449^2 + 268632^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 76316825025 - 221 = 76314727873 is a prime.

It is a super-3 number, since 3×763168250253 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (76316825027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 87019887 + ... + 87020763.

Almost surely, 276316825025 is an apocalyptic number.

76316825025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76316825025 is the 276255-th square number.

76316825025 is the 138128-th centered octagonal number.

It is an amenable number.

76316825025 is an abundant number, since it is smaller than the sum of its proper divisors (88316061624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76316825025 is an frugal number, since it uses more digits than its factorization.

76316825025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 76316825025 in words is "seventy-six billion, three hundred sixteen million, eight hundred twenty-five thousand, twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 135 147 175 189 225 245 315 405 441 525 567 675 735 877 945 1225 1323 1575 2025 2205 2631 2835 3675 3969 4385 4725 6139 6615 7893 11025 13155 14175 18417 19845 21925 23679 30695 33075 39465 42973 55251 65775 71037 92085 99225 118395 128919 153475 165753 197325 214865 276255 355185 386757 460425 497259 591975 644595 769129 828765 1074325 1160271 1381275 1775925 1933785 2307387 2486295 3222975 3480813 3845645 4143825 5383903 5801355 6922161 9668925 11536935 12431475 16151709 17404065 19228225 20766483 26919515 29006775 34610805 37687321 48455127 57684675 62299449 80758545 87020325 103832415 113061963 134597575 145365381 173054025 188436605 242275635 311497245 339185889 403792725 436096143 519162075 565309815 726826905 942183025 1017557667 1211378175 1557486225 1695929445 2180480715 2826549075 3052673001 3634134525 5087788335 8479647225 10902403575 15263365005 25438941675 76316825025