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31641074107497 = 3423413111331969
BaseRepresentation
bin1110011000111000000101…
…11110111000010001101001
311011000212010212011002110000
413030130002332320101221
513121401404432414442
6151143413032413213
76443664212216631
oct714340276702151
9134025125132400
1031641074107497
11a0999a44a8428
123670303847209
131486981b00cba
147b5616b636c1
1539d0cc313d4c
hex1cc702fb8469

31641074107497 has 80 divisors (see below), whose sum is σ = 50686807691520. Its totient is φ = 19621487001600.

The previous prime is 31641074107483. The next prime is 31641074107507. The reversal of 31641074107497 is 79470147014613.

31641074107497 is a `hidden beast` number, since 3 + 1 + 6 + 4 + 107 + 41 + 0 + 7 + 497 = 666.

It is not a de Polignac number, because 31641074107497 - 27 = 31641074107369 is a prime.

It is a super-2 number, since 2×316410741074972 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31641074107297) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23089129 + ... + 24421097.

It is an arithmetic number, because the mean of its divisors is an integer number (633585096144).

Almost surely, 231641074107497 is an apocalyptic number.

It is an amenable number.

31641074107497 is a deficient number, since it is larger than the sum of its proper divisors (19045733584023).

31641074107497 is a wasteful number, since it uses less digits than its factorization.

31641074107497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332356 (or 1332347 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 31641074107497 in words is "thirty-one trillion, six hundred forty-one billion, seventy-four million, one hundred seven thousand, four hundred ninety-seven".

Divisors: 1 3 9 23 27 41 69 81 123 207 311 369 621 933 943 1107 1863 2799 2829 3321 7153 8397 8487 12751 21459 25191 25461 38253 64377 76383 114759 193131 293273 344277 579393 879819 1032831 1331969 2639457 3995907 7918371 11987721 23755113 30635287 35963163 54610729 91905861 107889489 163832187 275717583 414242359 491496561 827152749 1242727077 1256046767 1474489683 2481458247 3728181231 3768140301 4423469049 9527574257 11184543693 11304420903 16983936719 28582722771 33553631079 33913262709 50951810157 85748168313 101739788127 152855430471 257244504939 390630544537 458566291413 771733514817 1171891633611 1375698874239 3515674900833 10547024702499 31641074107497