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54136863095 = 5741148325439
BaseRepresentation
bin110010011010110011…
…101111100101110111
312011201220001120221112
4302122303233211313
51341333014104340
640511540505235
73624363513050
oct623263574567
9164656046845
1054136863095
1120a60936577
12a5aa3ab21b
135149b40a03
142897d0d727
15161cb52065
hexc9acef977

54136863095 has 32 divisors (see below), whose sum is σ = 76109967360. Its totient is φ = 36191151360.

The previous prime is 54136863061. The next prime is 54136863149. The reversal of 54136863095 is 59036863145.

It is a happy number.

It is not a de Polignac number, because 54136863095 - 26 = 54136863031 is a prime.

It is a congruent number.

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, 2115386 + ... + 2140824.

It is an arithmetic number, because the mean of its divisors is an integer number (2378436480).

Almost surely, 254136863095 is an apocalyptic number.

54136863095 is a deficient number, since it is larger than the sum of its proper divisors (21973104265).

54136863095 is a wasteful number, since it uses less digits than its factorization.

54136863095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26975.

The product of its (nonzero) digits is 2332800, while the sum is 50.

Adding to 54136863095 its sum of digits (50), we get a palindrome (54136863145).

The spelling of 54136863095 in words is "fifty-four billion, one hundred thirty-six million, eight hundred sixty-three thousand, ninety-five".

Divisors: 1 5 7 35 41 205 287 1435 1483 7415 10381 25439 51905 60803 127195 178073 304015 425621 890365 1042999 2128105 5214995 7300993 36504965 37726037 188630185 264082259 1320411295 1546767517 7733837585 10827372619 54136863095