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51104534460155 = 51143181119384987
BaseRepresentation
bin10111001111010101100111…
…00111110111011011111011
320200221112201212121110211022
423213222303213313123323
523144244041310211110
6300405033220053055
713523116001422121
oct1347526347673373
9220845655543738
1051104534460155
1115313347457110
12589449923418b
1322691a1a7bb67
14c89688dcb911
155d952d759755
hex2e7ab39f76fb

51104534460155 has 32 divisors (see below), whose sum is σ = 68834518841088. Its totient is φ = 36102019766400.

The previous prime is 51104534460097. The next prime is 51104534460227. The reversal of 51104534460155 is 55106443540115.

It is not a de Polignac number, because 51104534460155 - 232 = 51100239492859 is a prime.

It is a super-2 number, since 2×511045344601552 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59264429 + ... + 60120558.

It is an arithmetic number, because the mean of its divisors is an integer number (2151078713784).

Almost surely, 251104534460155 is an apocalyptic number.

51104534460155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51104534460155 is a deficient number, since it is larger than the sum of its proper divisors (17729984380933).

51104534460155 is a wasteful number, since it uses less digits than its factorization.

51104534460155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119385227.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 51104534460155 in words is "fifty-one trillion, one hundred four billion, five hundred thirty-four million, four hundred sixty thousand, one hundred fifty-five".

Divisors: 1 5 11 43 55 181 215 473 905 1991 2365 7783 9955 38915 85613 428065 119384987 596924935 1313234857 5133554441 6566174285 21608682647 25667772205 56469098851 108043413235 237695509117 282345494255 929173353821 1188477545585 4645866769105 10220906892031 51104534460155