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45214351257 = 31723137281357
BaseRepresentation
bin101010000110111111…
…000011111110011001
311022201001210000201010
4222012333003332121
51220044333220012
632434324244133
73160311434025
oct520677037631
9138631700633
1045214351257
11181a2360349
12891a240649
1343574516ca
14228cd09385
15129967ec3c
hexa86fc3f99

45214351257 has 32 divisors (see below), whose sum is σ = 67093754112. Its totient is φ = 26938148864.

The previous prime is 45214351207. The next prime is 45214351267. The reversal of 45214351257 is 75215341254.

It is not a de Polignac number, because 45214351257 - 211 = 45214349209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45214351207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20023 + ... + 301379.

It is an arithmetic number, because the mean of its divisors is an integer number (2096679816).

Almost surely, 245214351257 is an apocalyptic number.

It is an amenable number.

45214351257 is a deficient number, since it is larger than the sum of its proper divisors (21879402855).

45214351257 is a wasteful number, since it uses less digits than its factorization.

45214351257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281537.

The product of its digits is 168000, while the sum is 39.

The spelling of 45214351257 in words is "forty-five billion, two hundred fourteen million, three hundred fifty-one thousand, two hundred fifty-seven".

Divisors: 1 3 17 23 51 69 137 391 411 1173 2329 3151 6987 9453 53567 160701 281357 844071 4783069 6471211 14349207 19413633 38545909 110010587 115637727 330031761 655280453 886555907 1965841359 2659667721 15071450419 45214351257