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9954421386 = 2371379230779
BaseRepresentation
bin10010100010101010…
…00110101010001010
3221200202000000000120
421101111012222022
5130341312441021
64323433444110
7501452120460
oct112125065212
927622000016
109954421386
114249014138
121b19870636
13c2841c690
146a609a830
153d3da82c6
hex251546a8a

9954421386 has 64 divisors (see below), whose sum is σ = 24813465600. Its totient is φ = 2592098496.

The previous prime is 9954421333. The next prime is 9954421391. The reversal of 9954421386 is 6831244599.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72256 + ... + 158523.

It is an arithmetic number, because the mean of its divisors is an integer number (387710400).

Almost surely, 29954421386 is an apocalyptic number.

9954421386 is an abundant number, since it is smaller than the sum of its proper divisors (14859044214).

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

9954421386 is a wasteful number, since it uses less digits than its factorization.

9954421386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230883.

The product of its digits is 1866240, while the sum is 51.

The square root of 9954421386 is about 99771.8466602678. The cubic root of 9954421386 is about 2151.1564995590.

The spelling of 9954421386 in words is "nine billion, nine hundred fifty-four million, four hundred twenty-one thousand, three hundred eighty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 79 91 158 182 237 273 474 546 553 1027 1106 1659 2054 3081 3318 6162 7189 14378 21567 43134 230779 461558 692337 1384674 1615453 3000127 3230906 4846359 6000254 9000381 9692718 18000762 18231541 21000889 36463082 42001778 54694623 63002667 109389246 126005334 127620787 237010033 255241574 382862361 474020066 711030099 765724722 1422060198 1659070231 3318140462 4977210693 9954421386