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51264133146215 = 51117101542850989
BaseRepresentation
bin10111010011111110111000…
…11100100010011001100111
320201111210200120200202120222
423221333130130202121213
523204402421041134330
6301010230113514555
713540466003031623
oct1351773434423147
9221453616622528
1051264133146215
1115374aa6787160
1258bb3ba572a5b
13227b257b370c2
14c932a94b8183
155dd76ed740e5
hex2e9fdc722667

51264133146215 has 32 divisors (see below), whose sum is σ = 71760558070080. Its totient is φ = 34742463232000.

The previous prime is 51264133146179. The next prime is 51264133146217.

51264133146215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51264133146215 - 218 = 51264132884071 is a prime.

It is a super-3 number, since 3×512641331462153 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51264133146217) 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, 271331060 + ... + 271519929.

It is an arithmetic number, because the mean of its divisors is an integer number (2242517439690).

Almost surely, 251264133146215 is an apocalyptic number.

51264133146215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51264133146215 is a deficient number, since it is larger than the sum of its proper divisors (20496424923865).

51264133146215 is a wasteful number, since it uses less digits than its factorization.

51264133146215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542851123.

The product of its digits is 518400, while the sum is 44.

The spelling of 51264133146215 in words is "fifty-one trillion, two hundred sixty-four billion, one hundred thirty-three million, one hundred forty-six thousand, two hundred fifteen".

Divisors: 1 5 11 17 55 85 101 187 505 935 1111 1717 5555 8585 18887 94435 542850989 2714254945 5971360879 9228466813 29856804395 46142334065 54827949889 101513134943 274139749445 507565674715 603107448779 932075148113 3015537243895 4660375740565 10252826629243 51264133146215