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57258633608 = 2311276912
BaseRepresentation
bin110101010100111000…
…010110100110001000
312110210110012222000122
4311110320112212020
51414231202233413
642145415122412
74064631232601
oct652470264610
9173713188018
1057258633608
1122313007a00
12b11b973408
13552681bcb7
142ab2772da8
151751c4b108
hexd54e16988

57258633608 has 36 divisors (see below), whose sum is σ = 118022550135. Its totient is φ = 26023267600.

The previous prime is 57258633587. The next prime is 57258633617. The reversal of 57258633608 is 80633685275.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 28629316804 + 28629316804 = 169202^2 + 169202^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=169202.

It is a super-2 number, since 2×572586336082 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57258633608.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7441043 + ... + 7448733.

Almost surely, 257258633608 is an apocalyptic number.

It is an amenable number.

57258633608 is an abundant number, since it is smaller than the sum of its proper divisors (60763916527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57258633608 is an frugal number, since it uses more digits than its factorization.

57258633608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410 (or 7704 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 57258633608 in words is "fifty-seven billion, two hundred fifty-eight million, six hundred thirty-three thousand, six hundred eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 7691 15382 30764 61528 84601 169202 338404 676808 930611 1861222 3722444 7444888 59151481 118302962 236605924 473211848 650666291 1301332582 2602665164 5205330328 7157329201 14314658402 28629316804 57258633608