Base | Representation |
---|---|
bin | 111111101111111… |
… | …1111111111010000 |
3 | 12112002002021200110 |
4 | 1333133333333100 |
5 | 13340102014432 |
6 | 552132121320 |
7 | 104003002356 |
oct | 17737777720 |
9 | 5462067613 |
10 | 2139094992 |
11 | 9a8510801 |
12 | 4b8466240 |
13 | 2812287a8 |
14 | 1641457d6 |
15 | c7bdadcc |
hex | 7f7fffd0 |
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".
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