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57955298245 = 51319229204923
BaseRepresentation
bin110101111110011001…
…111010101111000101
312112121000010012020121
4311332121322233011
51422143024020440
642342503101541
74121120623045
oct657631725705
9175530105217
1057955298245
11226402893a9
12b2951418b1
135607c611b0
142b3b0bd725
151792eb034a
hexd7e67abc5

57955298245 has 32 divisors (see below), whose sum is σ = 79182633600. Its totient is φ = 40367994624.

The previous prime is 57955298231. The next prime is 57955298249. The reversal of 57955298245 is 54289255975.

It is not a de Polignac number, because 57955298245 - 27 = 57955298117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57955298249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180354 + ... + 385276.

It is an arithmetic number, because the mean of its divisors is an integer number (2474457300).

Almost surely, 257955298245 is an apocalyptic number.

It is an amenable number.

57955298245 is a deficient number, since it is larger than the sum of its proper divisors (21227335355).

57955298245 is a wasteful number, since it uses less digits than its factorization.

57955298245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205189.

The product of its digits is 45360000, while the sum is 61.

The spelling of 57955298245 in words is "fifty-seven billion, nine hundred fifty-five million, two hundred ninety-eight thousand, two hundred forty-five".

Divisors: 1 5 13 19 65 95 229 247 1145 1235 2977 4351 14885 21755 56563 204923 282815 1024615 2663999 3893537 13319995 19467685 46927367 50615981 234636835 253079905 610055771 891619973 3050278855 4458099865 11591059649 57955298245