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57245454275 = 5210867210713
BaseRepresentation
bin110101010100000110…
…000100111111000011
312110202112102101101012
4311110012010333003
51414214314014100
642144224431135
74064411222102
oct652406047703
9173675371335
1057245454275
1122306626099
12b1174784ab
135523b86289
142ab0b02039
1517509e6135
hexd54184fc3

57245454275 has 12 divisors (see below), whose sum is σ = 70991232312. Its totient is φ = 45791931840.

The previous prime is 57245454269. The next prime is 57245454311.

57245454275 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57245454275 - 224 = 57228677059 is a prime.

It is a super-2 number, since 2×572454542752 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166319 + ... + 377031.

It is an arithmetic number, because the mean of its divisors is an integer number (5915936026).

Almost surely, 257245454275 is an apocalyptic number.

57245454275 is a deficient number, since it is larger than the sum of its proper divisors (13745778037).

57245454275 is a wasteful number, since it uses less digits than its factorization.

57245454275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221590 (or 221585 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 50.

The spelling of 57245454275 in words is "fifty-seven billion, two hundred forty-five million, four hundred fifty-four thousand, two hundred seventy-five".

Divisors: 1 5 25 10867 54335 210713 271675 1053565 5267825 2289818171 11449090855 57245454275