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55431635635745 = 51277191021118913
BaseRepresentation
bin11001001101010001011101…
…11100111000111000100001
321021021012201222212120100122
430212220232330320320201
524231142442210320440
6313520535235330025
714450542414513415
oct1446505674707041
9237235658776318
1055431635635745
1116731474242356
126273032750915
1324c124731c665
14d98c968cad45
15661d862917b5
hex326a2ef38e21

55431635635745 has 32 divisors (see below), whose sum is σ = 67201288519680. Its totient is φ = 43891541729280.

The previous prime is 55431635635697. The next prime is 55431635635781. The reversal of 55431635635745 is 54753653613455.

55431635635745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55431635635745 - 214 = 55431635619361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466093409 + ... + 466212321.

It is an arithmetic number, because the mean of its divisors is an integer number (2100040266240).

Almost surely, 255431635635745 is an apocalyptic number.

It is an amenable number.

55431635635745 is a deficient number, since it is larger than the sum of its proper divisors (11769652883935).

55431635635745 is a wasteful number, since it uses less digits than its factorization.

55431635635745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120785.

The product of its digits is 340200000, while the sum is 62.

The spelling of 55431635635745 in words is "fifty-five trillion, four hundred thirty-one billion, six hundred thirty-five million, six hundred thirty-five thousand, seven hundred forty-five".

Divisors: 1 5 127 635 719 1021 3595 5105 91313 118913 129667 456565 594565 648335 734099 3670495 15101951 75509755 85498447 93230573 121410173 427492235 466152865 607050865 10858302769 15419091971 54291513845 77095459855 87293914387 436469571935 11086327127149 55431635635745