Base | Representation |
---|---|
bin | 111111101011110… |
… | …0001111001011110 |
3 | 12111220220110212100 |
4 | 1333113201321132 |
5 | 13334014441330 |
6 | 552012345530 |
7 | 103645064034 |
oct | 17727417136 |
9 | 5456813770 |
10 | 2136874590 |
11 | 9a7234564 |
12 | 4b77752a6 |
13 | 28092bc46 |
14 | 163b28554 |
15 | c78ed060 |
hex | 7f5e1e5e |
2136874590 has 48 divisors (see below), whose sum is σ = 5560682400. Its totient is φ = 569340096.
The previous prime is 2136874573. The next prime is 2136874601. The reversal of 2136874590 is 954786312.
2136874590 is a `hidden beast` number, since 21 + 36 + 8 + 7 + 4 + 590 = 666.
2136874590 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
2136874590 is strictly pandigital in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100951 + ... + 120269.
It is an arithmetic number, because the mean of its divisors is an integer number (115847550).
It is a 1-persistent number, because it is pandigital, but 2⋅2136874590 = 4273749180 is not.
Almost surely, 22136874590 is an apocalyptic number.
2136874590 is an abundant number, since it is smaller than the sum of its proper divisors (3423807810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2136874590 is a wasteful number, since it uses less digits than its factorization.
2136874590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20561 (or 20558 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 2136874590 is about 46226.3408675184. The cubic root of 2136874590 is about 1288.0310868974.
The spelling of 2136874590 in words is "two billion, one hundred thirty-six million, eight hundred seventy-four thousand, five hundred ninety".
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