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31668376264272 = 243211191052245357
BaseRepresentation
bin1110011001101010111100…
…10100010101111001010000
311011010110121120222100122200
413030311132110111321100
513122323313310424042
6151204130132403200
76445651612554426
oct714653624257120
9134113546870580
1031668376264272
11a0aa534898960
123675663176500
131489413286257
147b6a86b7b116
1539db79181c4c
hex1ccd5e515e50

31668376264272 has 120 divisors (see below), whose sum is σ = 101773171025760. Its totient is φ = 9091399875840.

The previous prime is 31668376264237. The next prime is 31668376264303. The reversal of 31668376264272 is 27246267386613.

31668376264272 is a `hidden beast` number, since 3 + 1 + 66 + 83 + 76 + 2 + 6 + 427 + 2 = 666.

It is a super-3 number, since 3×316683762642723 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526092583 + ... + 526152774.

It is an arithmetic number, because the mean of its divisors is an integer number (848109758548).

Almost surely, 231668376264272 is an apocalyptic number.

It is an amenable number.

31668376264272 is an abundant number, since it is smaller than the sum of its proper divisors (70104794761488).

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

31668376264272 is a wasteful number, since it uses less digits than its factorization.

31668376264272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052245401 (or 1052245392 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 63.

The spelling of 31668376264272 in words is "thirty-one trillion, six hundred sixty-eight billion, three hundred seventy-six million, two hundred sixty-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 19 22 24 33 36 38 44 48 57 66 72 76 88 99 114 132 144 152 171 176 198 209 228 264 304 342 396 418 456 528 627 684 792 836 912 1254 1368 1584 1672 1881 2508 2736 3344 3762 5016 7524 10032 15048 30096 1052245357 2104490714 3156736071 4208981428 6313472142 8417962856 9470208213 11574698927 12626944284 16835925712 18940416426 19992661783 23149397854 25253888568 34724096781 37880832852 39985323566 46298795708 50507777136 59977985349 69448193562 75761665704 79970647132 92597591416 104172290343 119955970698 138896387124 151523331408 159941294264 179933956047 185195182832 208344580686 219919279613 239911941396 277792774248 319882588528 359867912094 416689161372 439838559226 479823882792 555585548496 659757838839 719735824188 833378322744 879677118452 959647765584 1319515677678 1439471648376 1666756645488 1759354236904 1979273516517 2639031355356 2878943296752 3518708473808 3958547033034 5278062710712 7917094066068 10556125421424 15834188132136 31668376264272