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54538130284 = 22111737164757
BaseRepresentation
bin110010110010101110…
…011101001101101100
312012202212010002001021
4302302232131031230
51343143230132114
641015433223524
73640335313201
oct626256351554
9165685102037
1054538130284
1121147397550
12a6a0861ba4
1351b2007011
1428d5323ca8
151642eb6024
hexcb2b9d36c

54538130284 has 24 divisors (see below), whose sum is σ = 104720102928. Its totient is φ = 24646760640.

The previous prime is 54538130267. The next prime is 54538130291. The reversal of 54538130284 is 48203183545.

It is a self number, because there is not a number n which added to its sum of digits gives 54538130284.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3574767 + ... + 3589990.

It is an arithmetic number, because the mean of its divisors is an integer number (4363337622).

Almost surely, 254538130284 is an apocalyptic number.

It is an amenable number.

54538130284 is a deficient number, since it is larger than the sum of its proper divisors (50181972644).

54538130284 is a wasteful number, since it uses less digits than its factorization.

54538130284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164945 (or 7164943 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 54538130284 in words is "fifty-four billion, five hundred thirty-eight million, one hundred thirty thousand, two hundred eighty-four".

Divisors: 1 2 4 11 22 44 173 346 692 1903 3806 7612 7164757 14329514 28659028 78812327 157624654 315249308 1239502961 2479005922 4958011844 13634532571 27269065142 54538130284