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31796888869713 = 31119163751741389
BaseRepresentation
bin1110011101011010010100…
…10001000001101101010001
311011120202022212010010112010
413032231022101001231101
513131430012022312323
6151343142235453133
76461151355644462
oct716551221015521
9134522285103463
1031796888869713
11a149a91907490
1236965498b71a9
131498583c60256
147bcd988a4d69
153a219b63ac93
hex1ceb4a441b51

31796888869713 has 64 divisors (see below), whose sum is σ = 48990607948800. Its totient is φ = 18141731170560.

The previous prime is 31796888869703. The next prime is 31796888869721.

It is a happy number.

31796888869713 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31796888869713 - 212 = 31796888865617 is a prime.

It is a super-2 number, since 2×317968888697132 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31796888869703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768224223 + ... + 768265611.

It is an arithmetic number, because the mean of its divisors is an integer number (765478249200).

Almost surely, 231796888869713 is an apocalyptic number.

31796888869713 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31796888869713 is a deficient number, since it is larger than the sum of its proper divisors (17193719079087).

31796888869713 is a wasteful number, since it uses less digits than its factorization.

31796888869713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49102.

The product of its digits is 5267275776, while the sum is 84.

The spelling of 31796888869713 in words is "thirty-one trillion, seven hundred ninety-six billion, eight hundred eighty-eight million, eight hundred sixty-nine thousand, seven hundred thirteen".

Divisors: 1 3 11 19 33 57 163 209 489 627 1793 3097 5379 7517 9291 22551 34067 41389 82687 102201 124167 142823 248061 428469 455279 786391 1225271 1365837 1571053 2359173 3675813 4713159 6746407 8650301 13477981 20239221 23280149 25950903 40433943 69840447 74210477 128181733 222631431 256081639 311121113 384545199 768244917 933363339 1409999063 3422332243 4229997189 5911301147 10266996729 17733903441 50712741419 65024312617 152138224257 195072937851 557840155609 963542086961 1673520466827 2890626260883 10598962956571 31796888869713