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61134550311 = 3471543280997
BaseRepresentation
bin111000111011111001…
…110011010100100111
312211210120102221012010
4320323321303110213
52000200421102221
644030153325303
74262654050362
oct707371632447
9184716387163
1061134550311
1123a2195054a
12ba21a06833
1359c3817033
142d5d4270d9
1518cc160c76
hexe3be73527

61134550311 has 16 divisors (see below), whose sum is σ = 83301295104. Its totient is φ = 39863216544.

The previous prime is 61134550297. The next prime is 61134550327. The reversal of 61134550311 is 11305543116.

It is not a de Polignac number, because 61134550311 - 217 = 61134419239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61134550511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77065 + ... + 358061.

It is an arithmetic number, because the mean of its divisors is an integer number (5206330944).

Almost surely, 261134550311 is an apocalyptic number.

61134550311 is a deficient number, since it is larger than the sum of its proper divisors (22166744793).

61134550311 is a wasteful number, since it uses less digits than its factorization.

61134550311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282590.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 61134550311 in words is "sixty-one billion, one hundred thirty-four million, five hundred fifty thousand, three hundred eleven".

Divisors: 1 3 47 141 1543 4629 72521 217563 280997 842991 13206859 39620577 433578371 1300735113 20378183437 61134550311