Base | Representation |
---|---|
bin | 111100100110001011… |
… | …1111111011100100111 |
3 | 110102220000021001112121 |
4 | 1321030113333130213 |
5 | 4113001334021422 |
6 | 135440413330411 |
7 | 12254515643506 |
oct | 1711427773447 |
9 | 412800231477 |
10 | 130130376487 |
11 | 502082289a1 |
12 | 21278496a07 |
13 | c36abc2797 |
14 | 642692683d |
15 | 35b95188c7 |
hex | 1e4c5ff727 |
130130376487 has 2 divisors, whose sum is σ = 130130376488. Its totient is φ = 130130376486.
The previous prime is 130130376479. The next prime is 130130376559. The reversal of 130130376487 is 784673031031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130130376487 - 23 = 130130376479 is a prime.
It is a super-2 number, since 2×1301303764872 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130130376427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65065188243 + 65065188244.
It is an arithmetic number, because the mean of its divisors is an integer number (65065188244).
Almost surely, 2130130376487 is an apocalyptic number.
130130376487 is a deficient number, since it is larger than the sum of its proper divisors (1).
130130376487 is an equidigital number, since it uses as much as digits as its factorization.
130130376487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 254016, while the sum is 43.
The spelling of 130130376487 in words is "one hundred thirty billion, one hundred thirty million, three hundred seventy-six thousand, four hundred eighty-seven".
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