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57214581616 = 247348985087
BaseRepresentation
bin110101010010010000…
…010011101101110000
312110200101022220001101
4311102100103231300
51414133413102431
642141203014144
74063554630253
oct652220235560
9173611286041
1057214581616
11222a0159aa5
12b10906a354
13551a66702a
142aaa98709a
15174ce48961
hexd52413b70

57214581616 has 20 divisors (see below), whose sum is σ = 112371791872. Its totient is φ = 28215409536.

The previous prime is 57214581587. The next prime is 57214581629. The reversal of 57214581616 is 61618541275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24491376 + ... + 24493711.

Almost surely, 257214581616 is an apocalyptic number.

It is an amenable number.

57214581616 is a deficient number, since it is larger than the sum of its proper divisors (55157210256).

57214581616 is a wasteful number, since it uses less digits than its factorization.

57214581616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48985168 (or 48985162 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The spelling of 57214581616 in words is "fifty-seven billion, two hundred fourteen million, five hundred eighty-one thousand, six hundred sixteen".

Divisors: 1 2 4 8 16 73 146 292 584 1168 48985087 97970174 195940348 391880696 783761392 3575911351 7151822702 14303645404 28607290808 57214581616