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53512401221311 = 234785360079661
BaseRepresentation
bin11000010101011010100111…
…01010100111011010111111
321000110201212020201120100111
430022231103222213122333
524003221344203040221
6305451131401210451
714162100121251004
oct1412552352473277
9230421766646314
1053512401221311
111606153347339a
12600308aa90a27
1323b22756b3906
14d3002a7438ab
1562bea8aacbe1
hex30ab53aa76bf

53512401221311 has 32 divisors (see below), whose sum is σ = 57109361799168. Its totient is φ = 50024477543040.

The previous prime is 53512401221309. The next prime is 53512401221333. The reversal of 53512401221311 is 11312210421535.

It is not a de Polignac number, because 53512401221311 - 21 = 53512401221309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53512401221351) 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, 5539007821 + ... + 5539017481.

It is an arithmetic number, because the mean of its divisors is an integer number (1784667556224).

Almost surely, 253512401221311 is an apocalyptic number.

53512401221311 is a deficient number, since it is larger than the sum of its proper divisors (3596960577857).

53512401221311 is a wasteful number, since it uses less digits than its factorization.

53512401221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16591.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 53512401221311 its reverse (11312210421535), we get a palindrome (64824611642846).

The spelling of 53512401221311 in words is "fifty-three trillion, five hundred twelve billion, four hundred one million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 23 47 853 1081 6007 9661 19619 40091 138161 222203 282329 454067 922093 5123971 6493567 8240833 10443541 58033627 117851333 189539159 240826637 387319151 1334773421 2727580469 5539012651 8908340473 49502683831 62734350787 1138561728113 2326626140057 53512401221311