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11942000187 = 313223554241
BaseRepresentation
bin10110001111100110…
…00111011000111011
31010211020222110120020
423013303013120323
5143424123001222
65252554301523
7601635220035
oct130763073073
933736873506
1011942000187
115078a47547
1223934278a3
131184138100
14814040c55
1549d61565c
hex2c7cc763b

11942000187 has 12 divisors (see below), whose sum is σ = 17241705144. Its totient is φ = 7348922880.

The previous prime is 11942000179. The next prime is 11942000209. The reversal of 11942000187 is 78100024911.

It is not a de Polignac number, because 11942000187 - 23 = 11942000179 is a prime.

It is a super-2 number, since 2×119420001872 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11942001187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11776614 + ... + 11777627.

It is an arithmetic number, because the mean of its divisors is an integer number (1436808762).

Almost surely, 211942000187 is an apocalyptic number.

11942000187 is a deficient number, since it is larger than the sum of its proper divisors (5299704957).

11942000187 is a wasteful number, since it uses less digits than its factorization.

11942000187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23554270 (or 23554257 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 11942000187 in words is "eleven billion, nine hundred forty-two million, one hundred eighty-seven", and thus it is an aban number.

Divisors: 1 3 13 39 169 507 23554241 70662723 306205133 918615399 3980666729 11942000187