Search a number
-
+
252610589737984 = 210192261412
BaseRepresentation
bin111001011011111101111100…
…011101111100010000000000
31020010102100002022221122201111
4321123331330131330100000
5231102232441433103414
62253131411453013104
7104131340621502502
oct7133757435742000
91203370068848644
10252610589737984
11735426053a9695
12243b975b484194
13aac50cbb0586a
1446545bc559d72
151e30eab5998c4
hexe5bf7c77c400

252610589737984 has 99 divisors (see below), whose sum is σ = 532971303783861. Its totient is φ = 119653070376960.

The previous prime is 252610589737981. The next prime is 252610589737993. The reversal of 252610589737984 is 489737985016252.

The square root of 252610589737984 is 15893728.

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

It can be written as a sum of positive squares in only one way, i.e., 177440302531584 + 75170287206400 = 13320672^2 + 8670080^2 .

It is a super-2 number, since 2×2526105897379842 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252610589737984.

It is not an unprimeable number, because it can be changed into a prime (252610589737981) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9663373554 + ... + 9663399694.

It is a 1-persistent number, because it is pandigital, but 2⋅252610589737984 = 505221179475968 is not.

Almost surely, 2252610589737984 is an apocalyptic number.

252610589737984 is the 15893728-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252610589737984

252610589737984 is an abundant number, since it is smaller than the sum of its proper divisors (280360714045877).

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

252610589737984 is an frugal number, since it uses more digits than its factorization.

252610589737984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52340 (or 26162 counting only the distinct ones).

The product of its (nonzero) digits is 1828915200, while the sum is 76.

The spelling of 252610589737984 in words is "two hundred fifty-two trillion, six hundred ten billion, five hundred eighty-nine million, seven hundred thirty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 361 512 608 722 1024 1216 1444 2432 2888 4864 5776 9728 11552 19456 23104 26141 46208 52282 92416 104564 184832 209128 369664 418256 496679 836512 993358 1673024 1986716 3346048 3973432 6692096 7946864 9436901 13384192 15893728 18873802 26768384 31787456 37747604 63574912 75495208 127149824 150990416 254299648 301980832 508599296 603961664 683351881 1207923328 1366703762 2415846656 2733407524 4831693312 5466815048 9663386624 10933630096 12983685739 21867260192 25967371478 43734520384 51934742956 87469040768 103869485912 174938081536 207738971824 246690029041 349876163072 415477943648 493380058082 699752326144 830955887296 986760116164 1661911774592 1973520232328 3323823549184 3947040464656 6647647098368 7894080929312 13295294196736 15788161858624 31576323717248 63152647434496 126305294868992 252610589737984