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11941992630 = 2325132688807
BaseRepresentation
bin10110001111100110…
…00101100010110110
31010211020222002012100
423013303011202312
5143424122231010
65252554202530
7601635156021
oct130763054266
933736862170
1011941992630
115078a418a7
122393423446
131184134839
1481403c1b8
1549d6132c0
hex2c7cc58b6

11941992630 has 24 divisors (see below), whose sum is σ = 31049181072. Its totient is φ = 3184531344.

The previous prime is 11941992553. The next prime is 11941992649. The reversal of 11941992630 is 3629914911.

11941992630 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 1 + 9 + 9 + 2 + 630 = 666.

It is a super-2 number, since 2×119419926302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66344314 + ... + 66344493.

It is an arithmetic number, because the mean of its divisors is an integer number (1293715878).

Almost surely, 211941992630 is an apocalyptic number.

11941992630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11941992630 is an abundant number, since it is smaller than the sum of its proper divisors (19107188442).

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

11941992630 is a wasteful number, since it uses less digits than its factorization.

11941992630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132688820 (or 132688817 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 11941992630 in words is "eleven billion, nine hundred forty-one million, nine hundred ninety-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 132688807 265377614 398066421 663444035 796132842 1194199263 1326888070 1990332105 2388398526 3980664210 5970996315 11941992630