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97131311313179 = 111319181439197033
BaseRepresentation
bin10110000101011100100101…
…010011101011000100011011
3110201220122220002110002222012
4112011130211103223010123
5100212344411144010204
6542325301452220135
726313335304502043
oct2605344523530433
9421818802402865
1097131311313179
1128a49181034630
12aa8884776a64b
13422759c087030
1419db27560c723
15b3691d0b676e
hex5857254eb11b

97131311313179 has 32 divisors (see below), whose sum is σ = 120119492505600. Its totient is φ = 77218038754560.

The previous prime is 97131311313149. The next prime is 97131311313181.

It is a happy number.

97131311313179 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-97131311313179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97131311313149) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 492871247 + ... + 493068279.

It is an arithmetic number, because the mean of its divisors is an integer number (3753734140800).

Almost surely, 297131311313179 is an apocalyptic number.

97131311313179 is a deficient number, since it is larger than the sum of its proper divisors (22988181192421).

97131311313179 is a wasteful number, since it uses less digits than its factorization.

97131311313179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378515.

The product of its digits is 321489, while the sum is 50.

The spelling of 97131311313179 in words is "ninety-seven trillion, one hundred thirty-one billion, three hundred eleven million, three hundred thirteen thousand, one hundred seventy-nine".

Divisors: 1 11 13 19 143 209 247 2717 181439 197033 1995829 2167363 2358707 2561429 3447341 3743627 25945777 28175719 37920751 41179897 44815433 48667151 492969763 535338661 35749470487 393244175357 464743116331 679239939253 5112174279641 7471639331783 8830119210289 97131311313179