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54133112061 = 3272245949919
BaseRepresentation
bin110010011010100101…
…011011110011111101
312011201122000000111100
4302122211123303331
51341331034041221
640511324243313
73624316601100
oct623245336375
9164648000440
1054133112061
1120a59804346
12a5a90a0539
135149129572
142897614737
15161c660926
hexc9a95bcfd

54133112061 has 36 divisors (see below), whose sum is σ = 90997171200. Its totient is φ = 30920007888.

The previous prime is 54133112039. The next prime is 54133112063. The reversal of 54133112061 is 16021133145.

It is a happy number.

54133112061 is a `hidden beast` number, since 541 + 3 + 3 + 112 + 0 + 6 + 1 = 666.

It is not a de Polignac number, because 54133112061 - 25 = 54133112029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54133112063) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1059460 + ... + 1109378.

It is an arithmetic number, because the mean of its divisors is an integer number (2527699200).

Almost surely, 254133112061 is an apocalyptic number.

It is an amenable number.

54133112061 is a deficient number, since it is larger than the sum of its proper divisors (36864059139).

54133112061 is a wasteful number, since it uses less digits than its factorization.

54133112061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52398 (or 52388 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 54133112061 in words is "fifty-four billion, one hundred thirty-three million, one hundred twelve thousand, sixty-one".

Divisors: 1 3 7 9 21 49 63 147 441 2459 7377 17213 22131 49919 51639 120491 149757 154917 349433 361473 449271 1048299 1084419 2446031 3144897 7338093 22014279 122750821 368252463 859255747 1104757389 2577767241 6014790229 7733301723 18044370687 54133112061