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51415314143 = 2329571134999
BaseRepresentation
bin101111111000100101…
…110110111011011111
311220201012222120122012
4233320211312323133
51320244310023033
635341520341435
73500055650024
oct577045667337
9156635876565
1051415314143
111a894671566
129b6aa7487b
134b05050b0b
1426ba6ab54b
15150dc62248
hexbf8976edf

51415314143 has 16 divisors (see below), whose sum is σ = 55598400000. Its totient is φ = 47400497760.

The previous prime is 51415314113. The next prime is 51415314161. The reversal of 51415314143 is 34141351415.

It is a cyclic number.

It is not a de Polignac number, because 51415314143 - 26 = 51415314079 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 (51415314113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313358 + ... + 448356.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900000).

Almost surely, 251415314143 is an apocalyptic number.

51415314143 is a deficient number, since it is larger than the sum of its proper divisors (4183085857).

51415314143 is a wasteful number, since it uses less digits than its factorization.

51415314143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135622.

The product of its digits is 14400, while the sum is 32.

Adding to 51415314143 its reverse (34141351415), we get a palindrome (85556665558).

The spelling of 51415314143 in words is "fifty-one billion, four hundred fifteen million, three hundred fourteen thousand, one hundred forty-three".

Divisors: 1 23 29 571 667 13133 16559 134999 380857 3104977 3914971 77084429 90044333 1772941867 2235448441 51415314143