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11926038372 = 223993836531
BaseRepresentation
bin10110001101101100…
…01110011101100100
31010210010221112001220
423012312032131210
5143411031211442
65251224220340
7601352440113
oct130666163544
933703845056
1011926038372
11506aa35166
12238a00a6b0
131180a39a51
14811c87c7a
1549c010eec
hex2c6d8e764

11926038372 has 12 divisors (see below), whose sum is σ = 27827422896. Its totient is φ = 3975346120.

The previous prime is 11926038349. The next prime is 11926038379. The reversal of 11926038372 is 27383062911.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11926038379) 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, 496918254 + ... + 496918277.

It is an arithmetic number, because the mean of its divisors is an integer number (2318951908).

Almost surely, 211926038372 is an apocalyptic number.

11926038372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11926038372 is an abundant number, since it is smaller than the sum of its proper divisors (15901384524).

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

11926038372 is a wasteful number, since it uses less digits than its factorization.

11926038372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993836538 (or 993836536 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 11926038372 in words is "eleven billion, nine hundred twenty-six million, thirty-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 993836531 1987673062 2981509593 3975346124 5963019186 11926038372