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2138012116 = 224312430303
BaseRepresentation
bin111111101101111…
…0111100111010100
312112000001021020221
41333123313213110
513334312341431
6552053004124
7103660542322
oct17733674724
95460037227
102138012116
119a7941169
124b8023644
13280c39936
14163d42d12
15c7a75111
hex7f6f79d4

2138012116 has 12 divisors (see below), whose sum is σ = 3828533632. Its totient is φ = 1044145368.

The previous prime is 2138012111. The next prime is 2138012131. The reversal of 2138012116 is 6112108312.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138012111) 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, 6214980 + ... + 6215323.

Almost surely, 22138012116 is an apocalyptic number.

It is an amenable number.

2138012116 is a deficient number, since it is larger than the sum of its proper divisors (1690521516).

2138012116 is a wasteful number, since it uses less digits than its factorization.

2138012116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430350 (or 12430348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2138012116 is about 46238.6431029285. The cubic root of 2138012116 is about 1288.2595995967.

The spelling of 2138012116 in words is "two billion, one hundred thirty-eight million, twelve thousand, one hundred sixteen".

Divisors: 1 2 4 43 86 172 12430303 24860606 49721212 534503029 1069006058 2138012116