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1055516514257 = 172310142163487
BaseRepresentation
bin11110101110000011010…
…11111101011111010001
310201220110202112120000202
433113001223331133101
5114243144211424012
62124521514024545
7136154453223512
oct17270153753721
93656422476022
101055516514257
11377707611837
12150696418155
13786c4bb1b8a
143913168ca09
151c6ca58dcc2
hexf5c1afd7d1

1055516514257 has 32 divisors (see below), whose sum is σ = 1180559867904. Its totient is φ = 938577024000.

The previous prime is 1055516514251. The next prime is 1055516514259. The reversal of 1055516514257 is 7524156155501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1055516514257 is a prime.

It is a super-2 number, since 2×10555165142572 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055516514251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16593968 + ... + 16657454.

It is an arithmetic number, because the mean of its divisors is an integer number (36892495872).

Almost surely, 21055516514257 is an apocalyptic number.

1055516514257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1055516514257 is a deficient number, since it is larger than the sum of its proper divisors (125043353647).

1055516514257 is a wasteful number, since it uses less digits than its factorization.

1055516514257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64049.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The spelling of 1055516514257 in words is "one trillion, fifty-five billion, five hundred sixteen million, five hundred fourteen thousand, two hundred fifty-seven".

Divisors: 1 17 23 101 391 421 1717 2323 7157 9683 39491 42521 63487 164611 722857 977983 1079279 1460201 6412187 16625711 24823417 26728027 109007179 147480301 454376459 614744621 2507165117 2699530727 10450658557 45892022359 62089206721 1055516514257