Search a number
-
+
54104509915 = 5192957192601
BaseRepresentation
bin110010011000111000…
…010100110111011011
312011122122011212201121
4302120320110313123
51341301223304130
640504423230111
73623521513651
oct623070246733
9164578155647
1054104509915
1120a44649105
12a59b5a8337
135143223911
1428938cadd1
151619db0d7a
hexc98e14ddb

54104509915 has 16 divisors (see below), whose sum is σ = 68366005920. Its totient is φ = 40991443200.

The previous prime is 54104509903. The next prime is 54104509951. The reversal of 54104509915 is 51990540145.

It is not a de Polignac number, because 54104509915 - 27 = 54104509787 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184615 + ... + 377215.

It is an arithmetic number, because the mean of its divisors is an integer number (4272875370).

Almost surely, 254104509915 is an apocalyptic number.

54104509915 is a deficient number, since it is larger than the sum of its proper divisors (14261496005).

54104509915 is a wasteful number, since it uses less digits than its factorization.

54104509915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195582.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 54104509915 in words is "fifty-four billion, one hundred four million, five hundred nine thousand, nine hundred fifteen".

Divisors: 1 5 19 95 2957 14785 56183 192601 280915 963005 3659419 18297095 569521157 2847605785 10820901983 54104509915