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57252771790 = 2529197423351
BaseRepresentation
bin110101010100100001…
…111111011111001110
312110210001012011010021
4311110201333133032
51414223202144130
642145045332354
74064530350004
oct652441773716
9173701164107
1057252771790
112230a773925
12b119a070ba
135525548b76
142ab1a88a74
15175148e37a
hexd5487f7ce

57252771790 has 16 divisors (see below), whose sum is σ = 106608610080. Its totient is φ = 22111415200.

The previous prime is 57252771739. The next prime is 57252771791. The reversal of 57252771790 is 9717725275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57252771791) 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, 98711386 + ... + 98711965.

It is an arithmetic number, because the mean of its divisors is an integer number (6663038130).

Almost surely, 257252771790 is an apocalyptic number.

57252771790 is a deficient number, since it is larger than the sum of its proper divisors (49355838290).

57252771790 is a wasteful number, since it uses less digits than its factorization.

57252771790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197423387.

The product of its (nonzero) digits is 2160900, while the sum is 52.

The spelling of 57252771790 in words is "fifty-seven billion, two hundred fifty-two million, seven hundred seventy-one thousand, seven hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 197423351 394846702 987116755 1974233510 5725277179 11450554358 28626385895 57252771790