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55151106610117 = 77878729515731
BaseRepresentation
bin11001000101000110111100…
…00111100101001111000101
321020021101122110000112010111
430202203132013211033011
524212043431243010432
6313144022452553021
714421351556241140
oct1442433607451705
9236241573015114
1055151106610117
11166334a8993311
1262287a2022771
1324a095b3bcc7b
14d894836c1057
156599181a0347
hex3228de1e53c5

55151106610117 has 4 divisors (see below), whose sum is σ = 63029836125856. Its totient is φ = 47272377094380.

The previous prime is 55151106610043. The next prime is 55151106610147. The reversal of 55151106610117 is 71101660115155.

55151106610117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55151106610117 - 239 = 54601350796229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55151106610117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55151106610147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3939364757859 + ... + 3939364757872.

It is an arithmetic number, because the mean of its divisors is an integer number (15757459031464).

Almost surely, 255151106610117 is an apocalyptic number.

It is an amenable number.

55151106610117 is a deficient number, since it is larger than the sum of its proper divisors (7878729515739).

55151106610117 is an equidigital number, since it uses as much as digits as its factorization.

55151106610117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878729515738.

The product of its (nonzero) digits is 31500, while the sum is 40.

The spelling of 55151106610117 in words is "fifty-five trillion, one hundred fifty-one billion, one hundred six million, six hundred ten thousand, one hundred seventeen".

Divisors: 1 7 7878729515731 55151106610117