Base | Representation |
---|---|
bin | 111100101010010000… |
… | …0110111010000110011 |
3 | 110110020112012012000021 |
4 | 1321110200313100303 |
5 | 4113241312414422 |
6 | 135502132104311 |
7 | 12261064356511 |
oct | 1712440672063 |
9 | 413215165007 |
10 | 130266919987 |
11 | 5027830a066 |
12 | 212b6165097 |
13 | c39028c759 |
14 | 643ab0b4b1 |
15 | 35c64dadc7 |
hex | 1e54837433 |
130266919987 has 2 divisors, whose sum is σ = 130266919988. Its totient is φ = 130266919986.
The previous prime is 130266919931. The next prime is 130266920009. The reversal of 130266919987 is 789919662031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130266919987 - 211 = 130266917939 is a prime.
It is not a weakly prime, because it can be changed into another prime (130266919187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65133459993 + 65133459994.
It is an arithmetic number, because the mean of its divisors is an integer number (65133459994).
Almost surely, 2130266919987 is an apocalyptic number.
130266919987 is a deficient number, since it is larger than the sum of its proper divisors (1).
130266919987 is an equidigital number, since it uses as much as digits as its factorization.
130266919987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8817984, while the sum is 61.
The spelling of 130266919987 in words is "one hundred thirty billion, two hundred sixty-six million, nine hundred nineteen thousand, nine hundred eighty-seven".
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