Base | Representation |
---|---|
bin | 111100110101110100… |
… | …0011011000010001001 |
3 | 110111020120000101110122 |
4 | 1321223220123002021 |
5 | 4120040110334411 |
6 | 140004425153025 |
7 | 12303514166414 |
oct | 1715350330211 |
9 | 414216011418 |
10 | 130654777481 |
11 | 50457241148 |
12 | 213a402b775 |
13 | c42273c227 |
14 | 6476430b7b |
15 | 35ea5a19db |
hex | 1e6ba1b089 |
130654777481 has 2 divisors, whose sum is σ = 130654777482. Its totient is φ = 130654777480.
The previous prime is 130654777439. The next prime is 130654777549. The reversal of 130654777481 is 184777456031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 122279599225 + 8375178256 = 349685^2 + 91516^2 .
It is a cyclic number.
It is not a de Polignac number, because 130654777481 - 230 = 129581035657 is a prime.
It is a super-2 number, since 2×1306547774812 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (130654777381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65327388740 + 65327388741.
It is an arithmetic number, because the mean of its divisors is an integer number (65327388741).
Almost surely, 2130654777481 is an apocalyptic number.
It is an amenable number.
130654777481 is a deficient number, since it is larger than the sum of its proper divisors (1).
130654777481 is an equidigital number, since it uses as much as digits as its factorization.
130654777481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3951360, while the sum is 53.
The spelling of 130654777481 in words is "one hundred thirty billion, six hundred fifty-four million, seven hundred seventy-seven thousand, four hundred eighty-one".
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