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57983248465 = 583881158591
BaseRepresentation
bin110110000000000100…
…100010100001010001
312112122221201012201221
4312000010202201101
51422222202422330
642345342125041
74121610323422
oct660004424121
9175587635657
1057983248465
112265503985a
12b2a2580781
13561099919c
142b40ab7649
151795681b7a
hexd80122851

57983248465 has 16 divisors (see below), whose sum is σ = 70498584576. Its totient is φ = 45775417600.

The previous prime is 57983248409. The next prime is 57983248471. The reversal of 57983248465 is 56484238975.

It is not a de Polignac number, because 57983248465 - 217 = 57983117393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286320 + ... + 444910.

It is an arithmetic number, because the mean of its divisors is an integer number (4406161536).

Almost surely, 257983248465 is an apocalyptic number.

It is an amenable number.

57983248465 is a deficient number, since it is larger than the sum of its proper divisors (12515336111).

57983248465 is a wasteful number, since it uses less digits than its factorization.

57983248465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159560.

The product of its digits is 58060800, while the sum is 61.

The spelling of 57983248465 in words is "fifty-seven billion, nine hundred eighty-three million, two hundred forty-eight thousand, four hundred sixty-five".

Divisors: 1 5 83 415 881 4405 73123 158591 365615 792955 13163053 65815265 139718671 698593355 11596649693 57983248465