Base | Representation |
---|---|
bin | 111111101111111… |
… | …1111111111100010 |
3 | 12112002002021201010 |
4 | 1333133333333202 |
5 | 13340102020020 |
6 | 552132121350 |
7 | 104003002413 |
oct | 17737777742 |
9 | 5462067633 |
10 | 2139095010 |
11 | 9a8510818 |
12 | 4b8466256 |
13 | 2812287c0 |
14 | 16414580a |
15 | c7bdade0 |
hex | 7f7fffe2 |
2139095010 has 32 divisors (see below), whose sum is σ = 5528738880. Its totient is φ = 526546368.
The previous prime is 2139094963. The next prime is 2139095011. The reversal of 2139095010 is 105909312.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2139095011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742040 + ... + 2742819.
It is an arithmetic number, because the mean of its divisors is an integer number (172773090).
Almost surely, 22139095010 is an apocalyptic number.
2139095010 is an abundant number, since it is smaller than the sum of its proper divisors (3389643870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2139095010 is a wasteful number, since it uses less digits than its factorization.
2139095010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5484882.
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 2139095010 is about 46250.3514581241. The cubic root of 2139095010 is about 1288.4770622135.
The spelling of 2139095010 in words is "two billion, one hundred thirty-nine million, ninety-five thousand, ten".
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