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31283132229192 = 23317397193134367
BaseRepresentation
bin1110001110011101010111…
…11110111110011001001000
311002202122020021100200011010
413013032223332332121020
513100020323322313232
6150311134512003520
76406063115363334
oct707165376763110
9132678207320133
1031283132229192
119a71113659398
123612a698305a0
13145bca9a5c5cc
147a217c6367c4
15393b2ce460cc
hex1c73abfbe648

31283132229192 has 64 divisors (see below), whose sum is σ = 83016876741120. Its totient is φ = 9789594743808.

The previous prime is 31283132229157. The next prime is 31283132229233. The reversal of 31283132229192 is 29192223138213.

It is a super-2 number, since 2×312831322291922 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96405208 + ... + 96729159.

It is an arithmetic number, because the mean of its divisors is an integer number (1297138699080).

Almost surely, 231283132229192 is an apocalyptic number.

It is an amenable number.

31283132229192 is an abundant number, since it is smaller than the sum of its proper divisors (51733744511928).

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

31283132229192 is a wasteful number, since it uses less digits than its factorization.

31283132229192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193134790 (or 193134786 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The spelling of 31283132229192 in words is "thirty-one trillion, two hundred eighty-three billion, one hundred thirty-two million, two hundred twenty-nine thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 397 408 794 1191 1588 2382 3176 4764 6749 9528 13498 20247 26996 40494 53992 80988 161976 193134367 386268734 579403101 772537468 1158806202 1545074936 2317612404 3283284239 4635224808 6566568478 9849852717 13133136956 19699705434 26266273912 39399410868 76674343699 78798821736 153348687398 230023031097 306697374796 460046062194 613394749592 920092124388 1303463842883 1840184248776 2606927685766 3910391528649 5213855371532 7820783057298 10427710743064 15641566114596 31283132229192