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16131605134 = 229499557377
BaseRepresentation
bin11110000011000010…
…01100001010001110
31112122020110110002211
433001201030022032
5231014142331014
611224420141034
71110520244521
oct170141141216
945566413084
1016131605134
116928963777
12316253777a
1316a11144a8
14ad062cbb8
1564633ecc4
hex3c184c28e

16131605134 has 16 divisors (see below), whose sum is σ = 25082010000. Its totient is φ = 7772050944.

The previous prime is 16131605117. The next prime is 16131605137. The reversal of 16131605134 is 43150613161.

It is a junction number, because it is equal to n+sod(n) for n = 16131605096 and 16131605105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131605137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249747 + ... + 307630.

It is an arithmetic number, because the mean of its divisors is an integer number (1567625625).

Almost surely, 216131605134 is an apocalyptic number.

16131605134 is a deficient number, since it is larger than the sum of its proper divisors (8950404866).

16131605134 is a wasteful number, since it uses less digits than its factorization.

16131605134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557907.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 16131605134 in words is "sixteen billion, one hundred thirty-one million, six hundred five thousand, one hundred thirty-four".

Divisors: 1 2 29 58 499 998 14471 28942 557377 1114754 16163933 32327866 278131123 556262246 8065802567 16131605134