Base | Representation |
---|---|
bin | 111111100000100… |
… | …0001100001110010 |
3 | 12111111210201220212 |
4 | 1333001001201302 |
5 | 13331012143314 |
6 | 551242104122 |
7 | 103543662422 |
oct | 17701014162 |
9 | 5444721825 |
10 | 2130974834 |
11 | 9a3974a2a |
12 | 4b57ab042 |
13 | 27c644771 |
14 | 163030482 |
15 | c7134e3e |
hex | 7f041872 |
2130974834 has 8 divisors (see below), whose sum is σ = 3196770780. Its totient is φ = 1065384576.
The previous prime is 2130974831. The next prime is 2130974851. The reversal of 2130974834 is 4384790312.
It can be written as a sum of positive squares in 2 ways, for example, as 2125671025 + 5303809 = 46105^2 + 2303^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2130974791 and 2130974800.
It is not an unprimeable number, because it can be changed into a prime (2130974831) 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, 22199 + ... + 68954.
Almost surely, 22130974834 is an apocalyptic number.
2130974834 is a deficient number, since it is larger than the sum of its proper divisors (1065795946).
2130974834 is a wasteful number, since it uses less digits than its factorization.
2130974834 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102844.
The product of its (nonzero) digits is 145152, while the sum is 41.
The square root of 2130974834 is about 46162.4829704816. The cubic root of 2130974834 is about 1286.8446074461.
The spelling of 2130974834 in words is "two billion, one hundred thirty million, nine hundred seventy-four thousand, eight hundred thirty-four".
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