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11186379940 = 225599479983
BaseRepresentation
bin10100110101100001…
…01001110010100100
31001212121010222110011
422122300221302210
5140402203124230
65050002540004
7544131442411
oct123260516244
931777128404
1011186379940
1148204688aa
122202367604
131093723438
14781949108
15457107e2a
hex29ac29ca4

11186379940 has 24 divisors (see below), whose sum is σ = 23889559680. Its totient is φ = 4398711648.

The previous prime is 11186379907. The next prime is 11186379947. The reversal of 11186379940 is 4997368111.

It is not an unprimeable number, because it can be changed into a prime (11186379947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738812 + ... + 4741171.

It is an arithmetic number, because the mean of its divisors is an integer number (995398320).

Almost surely, 211186379940 is an apocalyptic number.

11186379940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11186379940 is an abundant number, since it is smaller than the sum of its proper divisors (12703179740).

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

11186379940 is a wasteful number, since it uses less digits than its factorization.

11186379940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480051 (or 9480049 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 11186379940 in words is "eleven billion, one hundred eighty-six million, three hundred seventy-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 9479983 18959966 37919932 47399915 94799830 189599660 559318997 1118637994 2237275988 2796594985 5593189970 11186379940