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48007001025 = 38525412
BaseRepresentation
bin101100101101011100…
…001011001111000001
311120220200122100000000
4230231130023033001
51241304243013100
634015404350213
73316441530054
oct545534131701
9146820570000
1048007001025
11193a5778465
129379545369
1346b0ba71a9
142475b78a9b
1513ae916900
hexb2d70b3c1

48007001025 has 81 divisors (see below), whose sum is σ = 89453833833. Its totient is φ = 25556407200.

The previous prime is 48007000967. The next prime is 48007001087. The reversal of 48007001025 is 52010070084.

The square root of 48007001025 is 219105.

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

48007001025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2832049089 + 45174951936 = 53217^2 + 212544^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 48007001025 - 213 = 48006992833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 48007001025.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 88737255 + ... + 88737795.

Almost surely, 248007001025 is an apocalyptic number.

48007001025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48007001025 is the 219105-th square number.

48007001025 is the 109553-rd centered octagonal number.

It is an amenable number.

48007001025 is a deficient number, since it is larger than the sum of its proper divisors (41446832808).

48007001025 is an frugal number, since it uses more digits than its factorization.

48007001025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 48007001025 in words is "forty-eight billion, seven million, one thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 243 405 541 675 729 1215 1623 2025 2187 2705 3645 4869 6075 6561 8115 10935 13525 14607 18225 24345 32805 40575 43821 54675 73035 121725 131463 164025 219105 292681 365175 394389 657315 878043 1095525 1183167 1463405 1971945 2634129 3286575 3549501 4390215 5915835 7317025 7902387 9859725 13170645 17747505 21951075 23707161 29579175 39511935 65853225 71121483 88737525 118535805 197559675 213364449 355607415 592679025 640093347 1066822245 1778037075 1920280041 3200466735 5334111225 9601400205 16002333675 48007001025