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9117079820964 = 22321911325927839
BaseRepresentation
bin1000010010101011110001…
…0011011101101010100100
31012021120202222010222021200
42010222330103131222210
52143333234413232324
631220154553242500
71630454510554203
oct204527423355244
935246688128250
109117079820964
1129a5593971545
121032b4b703430
1351197708c56b
142373aa28323a
1510c252108ec9
hex84abc4ddaa4

9117079820964 has 36 divisors (see below), whose sum is σ = 23166611220480. Its totient is φ = 3023115470640.

The previous prime is 9117079820963. The next prime is 9117079821053. The reversal of 9117079820964 is 4690289707119.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×91170798209642 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9117079820963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662957044 + ... + 662970795.

Almost surely, 29117079820964 is an apocalyptic number.

It is an amenable number.

9117079820964 is an abundant number, since it is smaller than the sum of its proper divisors (14049531399516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9117079820964 is a wasteful number, since it uses less digits than its factorization.

9117079820964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325928040 (or 1325928035 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 9117079820964 in words is "nine trillion, one hundred seventeen billion, seventy-nine million, eight hundred twenty thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 191 382 573 764 1146 1719 2292 3438 6876 1325927839 2651855678 3977783517 5303711356 7955567034 11933350551 15911134068 23866701102 47733402204 253252217249 506504434498 759756651747 1013008868996 1519513303494 2279269955241 3039026606988 4558539910482 9117079820964