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51352700085479 = 13231272714990213
BaseRepresentation
bin10111010110100011110110…
…11100100110010011100111
320201211021021222000102221202
423223101323130212103213
523212330312210213404
6301115034342433115
713550052531425552
oct1353217334462347
9221737258012852
1051352700085479
11153a9615488531
1259145b743279b
132286700aa3740
14c976abd39699
155e0c054ca21e
hex2eb47b7264e7

51352700085479 has 32 divisors (see below), whose sum is σ = 58376401649664. Its totient is φ = 44818491231360.

The previous prime is 51352700085457. The next prime is 51352700085481. The reversal of 51352700085479 is 97458000725315.

It is a cyclic number.

It is not a de Polignac number, because 51352700085479 - 236 = 51283980608743 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 (51352700085409) 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, 7795577 + ... + 12785789.

It is an arithmetic number, because the mean of its divisors is an integer number (1824262551552).

Almost surely, 251352700085479 is an apocalyptic number.

51352700085479 is a deficient number, since it is larger than the sum of its proper divisors (7023701564185).

51352700085479 is a wasteful number, since it uses less digits than its factorization.

51352700085479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990647.

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 51352700085479 in words is "fifty-one trillion, three hundred fifty-two billion, seven hundred million, eighty-five thousand, four hundred seventy-nine".

Divisors: 1 13 23 127 271 299 1651 2921 3523 6233 34417 37973 81029 447421 791591 4990213 10290683 64872769 114774899 633757051 1352347723 1492073687 8238841663 14576412173 17580520399 31103997629 171748160821 189493358249 404351969177 2232726090673 3950207698883 51352700085479