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57057812016 = 2436733176549
BaseRepresentation
bin110101001000111010…
…010001111000110000
312110021110100011120220
4311020322101320300
51413323244441031
642113442533040
74056642254112
oct651072217060
9173243304526
1057057812016
112221a713747
12b084667180
1354c4037a5a
142a93c193b2
15173e2cd596
hexd48e91e30

57057812016 has 40 divisors (see below), whose sum is σ = 147422074800. Its totient is φ = 19016338176.

The previous prime is 57057811963. The next prime is 57057812017. The reversal of 57057812016 is 61021875075.

It is not an unprimeable number, because it can be changed into a prime (57057812017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234910 + ... + 411458.

It is an arithmetic number, because the mean of its divisors is an integer number (3685551870).

Almost surely, 257057812016 is an apocalyptic number.

It is an amenable number.

57057812016 is an abundant number, since it is smaller than the sum of its proper divisors (90364262784).

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

57057812016 is a wasteful number, since it uses less digits than its factorization.

57057812016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183293 (or 183287 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 57057812016 in words is "fifty-seven billion, fifty-seven million, eight hundred twelve thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 6733 13466 20199 26932 40398 53864 80796 107728 161592 176549 323184 353098 529647 706196 1059294 1412392 2118588 2824784 4237176 8474352 1188704417 2377408834 3566113251 4754817668 7132226502 9509635336 14264453004 19019270672 28528906008 57057812016