Base | Representation |
---|---|
bin | 111100110010110010… |
… | …1000011101001110101 |
3 | 110110222110221100020111 |
4 | 1321211211003221311 |
5 | 4114333111410424 |
6 | 135550400503021 |
7 | 12301142106415 |
oct | 1714545035165 |
9 | 413873840214 |
10 | 130553231989 |
11 | 50404994554 |
12 | 2137601aa71 |
13 | c4076a713b |
14 | 6466b5a645 |
15 | 35e16e4194 |
hex | 1e65943a75 |
130553231989 has 2 divisors, whose sum is σ = 130553231990. Its totient is φ = 130553231988.
The previous prime is 130553231987. The next prime is 130553231993. The reversal of 130553231989 is 989132355031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 67969704100 + 62583527889 = 260710^2 + 250167^2 .
It is a cyclic number.
It is not a de Polignac number, because 130553231989 - 21 = 130553231987 is a prime.
It is a super-2 number, since 2×1305532319892 (a number of 23 digits) contains 22 as substring.
Together with 130553231987, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130553231987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65276615994 + 65276615995.
It is an arithmetic number, because the mean of its divisors is an integer number (65276615995).
Almost surely, 2130553231989 is an apocalyptic number.
It is an amenable number.
130553231989 is a deficient number, since it is larger than the sum of its proper divisors (1).
130553231989 is an equidigital number, since it uses as much as digits as its factorization.
130553231989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 874800, while the sum is 49.
The spelling of 130553231989 in words is "one hundred thirty billion, five hundred fifty-three million, two hundred thirty-one thousand, nine hundred eighty-nine".
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