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57856299564 = 223731374911223
BaseRepresentation
bin110101111000100000…
…010001001000101100
312112100002211112120210
4311320200101020230
51421442203041224
642325005142420
74115506301130
oct657040211054
9175302745523
1057856299564
112259a411208
12b267b5aa10
1355c05ab3ab
142b2bcad3c0
151789457429
hexd7881122c

57856299564 has 192 divisors, whose sum is σ = 164031823872. Its totient is φ = 15520377600.

The previous prime is 57856299541. The next prime is 57856299583. The reversal of 57856299564 is 46599265875.

It is a junction number, because it is equal to n+sod(n) for n = 57856299495 and 57856299504.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47306257 + ... + 47307479.

It is an arithmetic number, because the mean of its divisors is an integer number (854332416).

Almost surely, 257856299564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57856299564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82015911936).

57856299564 is an abundant number, since it is smaller than the sum of its proper divisors (106175524308).

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

57856299564 is a wasteful number, since it uses less digits than its factorization.

57856299564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1794 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 66.

The spelling of 57856299564 in words is "fifty-seven billion, eight hundred fifty-six million, two hundred ninety-nine thousand, five hundred sixty-four".