Base | Representation |
---|---|
bin | 111100110101011011… |
… | …1100000010110001011 |
3 | 110111012122212220012211 |
4 | 1321222313200112023 |
5 | 4120023320013222 |
6 | 140003250245551 |
7 | 12303300200623 |
oct | 1715267402613 |
9 | 414178786184 |
10 | 130641954187 |
11 | 5044aa82888 |
12 | 2139b8868b7 |
13 | c41cb9c594 |
14 | 6474853883 |
15 | 35e93bc277 |
hex | 1e6ade058b |
130641954187 has 4 divisors (see below), whose sum is σ = 130660734240. Its totient is φ = 130623174136.
The previous prime is 130641954169. The next prime is 130641954227. The reversal of 130641954187 is 781459146031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130641954187 - 235 = 96282215819 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130641954187.
It is not an unprimeable number, because it can be changed into a prime (130641954167) 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, 9379588 + ... + 9393505.
It is an arithmetic number, because the mean of its divisors is an integer number (32665183560).
Almost surely, 2130641954187 is an apocalyptic number.
130641954187 is a deficient number, since it is larger than the sum of its proper divisors (18780053).
130641954187 is an equidigital number, since it uses as much as digits as its factorization.
130641954187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18780052.
The product of its (nonzero) digits is 725760, while the sum is 49.
The spelling of 130641954187 in words is "one hundred thirty billion, six hundred forty-one million, nine hundred fifty-four thousand, one hundred eighty-seven".
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