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1053818864315 = 57487781663
BaseRepresentation
bin11110101010111000111…
…11111100001010111011
310201202002110010000002222
433111130133330022323
5114231210112124230
62124041231314255
7136064420360000
oct17253437741273
93652073100088
101053818864315
11376a16304258
121502a197b98b
13784b4279199
14390100198a7
151c62b5016e5
hexf55c7fc2bb

1053818864315 has 20 divisors (see below), whose sum is σ = 1475258645184. Its totient is φ = 722618641584.

The previous prime is 1053818864251. The next prime is 1053818864317. The reversal of 1053818864315 is 5134688183501.

It is not a de Polignac number, because 1053818864315 - 26 = 1053818864251 is a prime.

It is a super-2 number, since 2×10538188643152 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053818864317) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43878827 + ... + 43902836.

Almost surely, 21053818864315 is an apocalyptic number.

1053818864315 is a deficient number, since it is larger than the sum of its proper divisors (421439780869).

1053818864315 is an frugal number, since it uses more digits than its factorization.

1053818864315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87781696 (or 87781675 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 1053818864315 in words is "one trillion, fifty-three billion, eight hundred eighteen million, eight hundred sixty-four thousand, three hundred fifteen".

Divisors: 1 5 7 35 49 245 343 1715 2401 12005 87781663 438908315 614471641 3072358205 4301301487 21506507435 30109110409 150545552045 210763772863 1053818864315