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252109528892 = 2213532233111319
BaseRepresentation
bin1110101011001011100…
…1100001111100111100
3220002201221120000201222
43222302321201330330
513112310014411032
6311452330052512
724133336431524
oct3526271417474
9802657500658
10252109528892
1197a12290561
1240a3ab7a138
131aa0a135040
14c2b8a5c684
156858114a12
hex3ab2e61f3c

252109528892 has 96 divisors (see below), whose sum is σ = 488198430720. Its totient is φ = 113199540480.

The previous prime is 252109528871. The next prime is 252109528897. The reversal of 252109528892 is 298825901252.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252109528897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191136209 + ... + 191137527.

It is an arithmetic number, because the mean of its divisors is an integer number (5085400320).

Almost surely, 2252109528892 is an apocalyptic number.

It is an amenable number.

252109528892 is a deficient number, since it is larger than the sum of its proper divisors (236088901828).

252109528892 is a wasteful number, since it uses less digits than its factorization.

252109528892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 252109528892 in words is "two hundred fifty-two billion, one hundred nine million, five hundred twenty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 52 53 106 212 223 311 446 622 689 892 1244 1319 1378 2638 2756 2899 4043 5276 5798 8086 11596 11819 16172 16483 17147 23638 32966 34294 47276 65932 68588 69353 69907 138706 139814 153647 214279 277412 279628 294137 307294 410209 428558 588274 614588 820418 857116 901589 908791 1176548 1640836 1803178 1817582 3606356 3635164 3675709 3823781 5332717 7351418 7647562 10665434 14702836 15295124 15589261 21330868 21741077 31178522 43482154 47784217 62357044 86964308 91476607 95568434 182953214 191136868 202660393 282634001 365906428 405320786 565268002 810641572 1130536004 1189195891 2378391782 4756783564 4848260171 9696520342 19393040684 63027382223 126054764446 252109528892