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11939489184 = 253717767097
BaseRepresentation
bin10110001111010011…
…00010010110100000
31010211002020220010010
423013221202112200
5143423002123214
65252424404520
7601604661240
oct130751422640
933732226103
1011939489184
115077591a37
122392616740
1311837691cc
14813989b20
1549d2bb659
hex2c7a625a0

11939489184 has 48 divisors (see below), whose sum is σ = 35818469568. Its totient is φ = 3411282432.

The previous prime is 11939489179. The next prime is 11939489197. The reversal of 11939489184 is 48198493911.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8882877 + ... + 8884220.

It is an arithmetic number, because the mean of its divisors is an integer number (746218116).

Almost surely, 211939489184 is an apocalyptic number.

11939489184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11939489184 is an abundant number, since it is smaller than the sum of its proper divisors (23878980384).

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

11939489184 is a wasteful number, since it uses less digits than its factorization.

11939489184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767117 (or 17767109 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 57.

The spelling of 11939489184 in words is "eleven billion, nine hundred thirty-nine million, four hundred eighty-nine thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 17767097 35534194 53301291 71068388 106602582 124369679 142136776 213205164 248739358 284273552 373109037 426410328 497478716 568547104 746218074 852820656 994957432 1492436148 1705641312 1989914864 2984872296 3979829728 5969744592 11939489184