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29231958792257 = 134223953235451
BaseRepresentation
bin1101010010110000110001…
…00001010001100001000001
310211111112210110122212200222
412221120120201101201001
512312414022422323012
6142100550530352425
76104640122006504
oct651303041214101
9124445713585628
1029231958792257
119350227731a71
123341423a2b715
13134073c604850
14730b9767d13b
1535a5cc583972
hex1a9618851841

29231958792257 has 8 divisors (see below), whose sum is σ = 31481316894720. Its totient is φ = 26982707245200.

The previous prime is 29231958792251. The next prime is 29231958792269. The reversal of 29231958792257 is 75229785913292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29231958792257 - 212 = 29231958788161 is a prime.

It is a super-2 number, since 2×292319587922572 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29231958792251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26068619 + ... + 27166832.

It is an arithmetic number, because the mean of its divisors is an integer number (3935164611840).

Almost surely, 229231958792257 is an apocalyptic number.

It is an amenable number.

29231958792257 is a deficient number, since it is larger than the sum of its proper divisors (2249358102463).

29231958792257 is a wasteful number, since it uses less digits than its factorization.

29231958792257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53277703.

The product of its digits is 342921600, while the sum is 71.

The spelling of 29231958792257 in words is "twenty-nine trillion, two hundred thirty-one billion, nine hundred fifty-eight million, seven hundred ninety-two thousand, two hundred fifty-seven".

Divisors: 1 13 42239 549107 53235451 692060863 2248612214789 29231958792257