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118839012 = 2239903251
BaseRepresentation
bin1110001010101…
…01011011100100
322021121122110220
413011111123210
5220410322022
615443044340
72642054265
oct705253344
9267548426
10118839012
1161099566
12339706b0
131b80b656
1411ad696c
15a67685c
hex71556e4

118839012 has 12 divisors (see below), whose sum is σ = 277291056. Its totient is φ = 39613000.

The previous prime is 118839001. The next prime is 118839043. The reversal of 118839012 is 210938811.

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

It is a super-2 number, since 2×1188390122 = 28245421546272288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951614 + ... + 4951637.

It is an arithmetic number, because the mean of its divisors is an integer number (23107588).

Almost surely, 2118839012 is an apocalyptic number.

118839012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118839012 is an abundant number, since it is smaller than the sum of its proper divisors (158452044).

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

118839012 is a wasteful number, since it uses less digits than its factorization.

118839012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903258 (or 9903256 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 118839012 is about 10901.3307444550. The cubic root of 118839012 is about 491.6465668441.

The spelling of 118839012 in words is "one hundred eighteen million, eight hundred thirty-nine thousand, twelve".

Divisors: 1 2 3 4 6 12 9903251 19806502 29709753 39613004 59419506 118839012