Base | Representation |
---|---|
bin | 111100110110100011… |
… | …1101001100100000001 |
3 | 110111022021222122112022 |
4 | 1321231013221210001 |
5 | 4120113003200143 |
6 | 140011120211225 |
7 | 12304236316406 |
oct | 1715507514401 |
9 | 414267878468 |
10 | 130679740673 |
11 | 5046a341389 |
12 | 213b0469b15 |
13 | c42796c751 |
14 | 647988c2ad |
15 | 35ec883268 |
hex | 1e6d1e9901 |
130679740673 has 4 divisors (see below), whose sum is σ = 138366784260. Its totient is φ = 122992697088.
The previous prime is 130679740663. The next prime is 130679740687. The reversal of 130679740673 is 376047976031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 76636509889 + 54043230784 = 276833^2 + 232472^2 .
It is a cyclic number.
It is not a de Polignac number, because 130679740673 - 222 = 130675546369 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (130679740603) 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, 3843521768 + ... + 3843521801.
It is an arithmetic number, because the mean of its divisors is an integer number (34591696065).
Almost surely, 2130679740673 is an apocalyptic number.
It is an amenable number.
130679740673 is a deficient number, since it is larger than the sum of its proper divisors (7687043587).
130679740673 is an equidigital number, since it uses as much as digits as its factorization.
130679740673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7687043586.
The product of its (nonzero) digits is 4000752, while the sum is 53.
The spelling of 130679740673 in words is "one hundred thirty billion, six hundred seventy-nine million, seven hundred forty thousand, six hundred seventy-three".
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