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9061816894 = 2133173233661
BaseRepresentation
bin10000111000010000…
…00101101000111110
3212101112101222211221
420130020011220332
5122024311120034
64055110103554
7440363113144
oct103410055076
925345358757
109061816894
113930183179
12190a94abba
13b15515240
1461d707594
1538083cbb4
hex21c205a3e

9061816894 has 64 divisors (see below), whose sum is σ = 15406530048. Its totient is φ = 3968870400.

The previous prime is 9061816891. The next prime is 9061816909. The reversal of 9061816894 is 4986181609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9061816891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13708924 + ... + 13709584.

It is an arithmetic number, because the mean of its divisors is an integer number (240727032).

Almost surely, 29061816894 is an apocalyptic number.

9061816894 is a deficient number, since it is larger than the sum of its proper divisors (6344713154).

9061816894 is a wasteful number, since it uses less digits than its factorization.

9061816894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9061816894 is about 95193.5759072008. The cubic root of 9061816894 is about 2084.8353431917.

The spelling of 9061816894 in words is "nine billion, sixty-one million, eight hundred sixteen thousand, eight hundred ninety-four".

Divisors: 1 2 13 26 31 62 73 146 233 403 466 661 806 949 1322 1898 2263 3029 4526 6058 7223 8593 14446 17009 17186 20491 29419 34018 40982 48253 58838 93899 96506 154013 187798 221117 266383 308026 442234 527279 532766 627289 1054558 1254578 1495843 2002169 2991686 4004338 4774403 6854627 9548806 11242949 13709254 19445959 22485898 38891918 62067239 124134478 146158337 292316674 348531419 697062838 4530908447 9061816894