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11819182992 = 243246232979
BaseRepresentation
bin10110000000111101…
…00110101110010000
31010111200212201001020
423000132212232100
5143201202323432
65232450035440
7565614253311
oct130036465620
933450781036
1011819182992
115015691131
12235a278b80
131164865b06
148019d0608
1549295522c
hex2c07a6b90

11819182992 has 20 divisors (see below), whose sum is σ = 30532889520. Its totient is φ = 3939727648.

The previous prime is 11819182987. The next prime is 11819182993. The reversal of 11819182992 is 29928191811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11819182993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123116442 + ... + 123116537.

It is an arithmetic number, because the mean of its divisors is an integer number (1526644476).

Almost surely, 211819182992 is an apocalyptic number.

11819182992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11819182992 is an abundant number, since it is smaller than the sum of its proper divisors (18713706528).

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

11819182992 is a wasteful number, since it uses less digits than its factorization.

11819182992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246232990 (or 246232984 counting only the distinct ones).

The product of its digits is 186624, while the sum is 51.

The spelling of 11819182992 in words is "eleven billion, eight hundred nineteen million, one hundred eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 246232979 492465958 738698937 984931916 1477397874 1969863832 2954795748 3939727664 5909591496 11819182992