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10055075625 = 3254721912
BaseRepresentation
bin10010101110101010…
…00100011100101001
3221221202101202200100
421113111010130221
5131043044410000
64341431100013
7504113506200
oct112725043451
927852352610
1010055075625
11429a912161
121b47511609
13c43231bba
146b55bc237
153dcb3ba00
hex257544729

10055075625 has 135 divisors (see below), whose sum is σ = 21223435233. Its totient is φ = 4572540000.

The previous prime is 10055075617. The next prime is 10055075647. The reversal of 10055075625 is 52657055001.

It is a happy number.

The square root of 10055075625 is 100275.

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

10055075625 is a `hidden beast` number, since 10 + 0 + 550 + 75 + 6 + 25 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 788317929 + 9266757696 = 28077^2 + 96264^2 .

It is not a de Polignac number, because 10055075625 - 23 = 10055075617 is a prime.

It is a super-2 number, since 2×100550756252 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10055075625.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 52644280 + ... + 52644470.

Almost surely, 210055075625 is an apocalyptic number.

10055075625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10055075625 is the 100275-th square number.

10055075625 is the 50138-th centered octagonal number.

It is an amenable number.

10055075625 is an abundant number, since it is smaller than the sum of its proper divisors (11168359608).

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

10055075625 is an frugal number, since it uses more digits than its factorization.

10055075625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

Multiplying 10055075625 by its sum of digits (36), we get a square (361982722500 = 6016502).

The spelling of 10055075625 in words is "ten billion, fifty-five million, seventy-five thousand, six hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 105 125 147 175 191 225 245 315 375 441 525 573 625 735 875 955 1125 1225 1337 1575 1719 1875 2205 2625 2865 3675 4011 4375 4775 5625 6125 6685 7875 8595 9359 11025 12033 13125 14325 18375 20055 23875 28077 30625 33425 36481 39375 42975 46795 55125 60165 71625 84231 91875 100275 109443 119375 140385 167125 182405 214875 233975 255367 275625 300825 328329 358125 421155 501375 547215 701925 766101 835625 912025 1074375 1169875 1276835 1504125 1641645 1787569 2105775 2298303 2506875 2736075 3509625 3830505 4560125 5362707 5849375 6384175 7520625 8208225 8937845 10528875 11491515 13680375 16088121 17548125 19152525 22800625 26813535 31920875 41041125 44689225 52644375 57457575 68401875 80440605 95762625 134067675 159604375 205205625 223446125 287287875 402203025 478813125 670338375 1117230625 1436439375 2011015125 3351691875 10055075625