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57221434470 = 2351907381149
BaseRepresentation
bin110101010010101010…
…011100110001100110
312110200212020001101210
4311102222130301212
51414142141400340
642142005532250
74064000111364
oct652252346146
9173625201353
1057221434470
11222a400a712
12b10b414086
13551bbc6285
142aab84c634
15174d84e180
hexd52a9cc66

57221434470 has 16 divisors (see below), whose sum is σ = 137331442800. Its totient is φ = 15259049184.

The previous prime is 57221434453. The next prime is 57221434499. The reversal of 57221434470 is 7443412275.

57221434470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953690545 + ... + 953690604.

It is an arithmetic number, because the mean of its divisors is an integer number (8583215175).

Almost surely, 257221434470 is an apocalyptic number.

57221434470 is an abundant number, since it is smaller than the sum of its proper divisors (80110008330).

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

57221434470 is a wasteful number, since it uses less digits than its factorization.

57221434470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907381159.

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 57221434470 in words is "fifty-seven billion, two hundred twenty-one million, four hundred thirty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1907381149 3814762298 5722143447 9536905745 11444286894 19073811490 28610717235 57221434470