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2139094992 = 243151295129
BaseRepresentation
bin111111101111111…
…1111111111010000
312112002002021200110
41333133333333100
513340102014432
6552132121320
7104003002356
oct17737777720
95462067613
102139094992
119a8510801
124b8466240
132812287a8
141641457d6
15c7bdadcc
hex7f7fffd0

2139094992 has 40 divisors (see below), whose sum is σ = 5562610240. Its totient is φ = 708307200.

The previous prime is 2139094963. The next prime is 2139095011. The reversal of 2139094992 is 2994909312.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140317 + ... + 154812.

It is an arithmetic number, because the mean of its divisors is an integer number (139065256).

Almost surely, 22139094992 is an apocalyptic number.

It is an amenable number.

2139094992 is an abundant number, since it is smaller than the sum of its proper divisors (3423515248).

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

2139094992 is a wasteful number, since it uses less digits than its factorization.

2139094992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295291 (or 295285 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 2139094992 is about 46250.3512635310. The cubic root of 2139094992 is about 1288.4770585994.

The spelling of 2139094992 in words is "two billion, one hundred thirty-nine million, ninety-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 151 302 453 604 906 1208 1812 2416 3624 7248 295129 590258 885387 1180516 1770774 2361032 3541548 4722064 7083096 14166192 44564479 89128958 133693437 178257916 267386874 356515832 534773748 713031664 1069547496 2139094992