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312342545105 = 5229643424243
BaseRepresentation
bin1001000101110010001…
…00010000001011010001
31002212012200121021122022
410202321010100023101
520104134142420410
6355253240421225
731365065554013
oct4427104201321
91085180537568
10312342545105
111105112510a8
125064aa77815
13235b8c39336
141119044a1b3
1581d1044455
hex48b91102d1

312342545105 has 16 divisors (see below), whose sum is σ = 377034127680. Its totient is φ = 248395387968.

The previous prime is 312342545087. The next prime is 312342545129. The reversal of 312342545105 is 501545243213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312342545105 is a prime.

It is a super-2 number, since 2×3123425451052 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524114 + ... + 948356.

It is an arithmetic number, because the mean of its divisors is an integer number (23564632980).

Almost surely, 2312342545105 is an apocalyptic number.

It is an amenable number.

312342545105 is a deficient number, since it is larger than the sum of its proper divisors (64691582575).

312342545105 is a wasteful number, since it uses less digits than its factorization.

312342545105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425120.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 312342545105 its reverse (501545243213), we get a palindrome (813887788318).

The spelling of 312342545105 in words is "three hundred twelve billion, three hundred forty-two million, five hundred forty-five thousand, one hundred five".

Divisors: 1 5 229 643 1145 3215 147247 424243 736235 2121215 97151647 272788249 485758235 1363941245 62468509021 312342545105