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54501113778 = 2341221549243
BaseRepresentation
bin110010110000100001…
…001111111110110010
312012200021110102221120
4302300201033332302
51343104241120103
641012032003110
73636405552306
oct626041177662
9165607412846
1054501113778
11211285044a1
12a690390496
1351a7446467
1428d0449d06
15163eb03253
hexcb084ffb2

54501113778 has 16 divisors (see below), whose sum is σ = 111660818976. Its totient is φ = 17723939360.

The previous prime is 54501113767. The next prime is 54501113801. The reversal of 54501113778 is 87731110545.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 110774376 + ... + 110774867.

It is an arithmetic number, because the mean of its divisors is an integer number (6978801186).

Almost surely, 254501113778 is an apocalyptic number.

54501113778 is an abundant number, since it is smaller than the sum of its proper divisors (57159705198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54501113778 is a wasteful number, since it uses less digits than its factorization.

54501113778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221549289.

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 54501113778 in words is "fifty-four billion, five hundred one million, one hundred thirteen thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 41 82 123 246 221549243 443098486 664647729 1329295458 9083518963 18167037926 27250556889 54501113778