Base | Representation |
---|---|
bin | 111100100101101001… |
… | …0000000100100000101 |
3 | 110102211201202000020102 |
4 | 1321023102000210011 |
5 | 4112432134442411 |
6 | 135434520213445 |
7 | 12254204005202 |
oct | 1711322004405 |
9 | 412751660212 |
10 | 130112030981 |
11 | 501a8938719 |
12 | 2127230a285 |
13 | c36716b45a |
14 | 642430cca9 |
15 | 35b7ae2d3b |
hex | 1e4b480905 |
130112030981 has 2 divisors, whose sum is σ = 130112030982. Its totient is φ = 130112030980.
The previous prime is 130112030969. The next prime is 130112031001. The reversal of 130112030981 is 189030211031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 100483294081 + 29628736900 = 316991^2 + 172130^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130112030981 is a prime.
It is a super-2 number, since 2×1301120309812 (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 (130112030921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65056015490 + 65056015491.
It is an arithmetic number, because the mean of its divisors is an integer number (65056015491).
Almost surely, 2130112030981 is an apocalyptic number.
It is an amenable number.
130112030981 is a deficient number, since it is larger than the sum of its proper divisors (1).
130112030981 is an equidigital number, since it uses as much as digits as its factorization.
130112030981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 29.
The spelling of 130112030981 in words is "one hundred thirty billion, one hundred twelve million, thirty thousand, nine hundred eighty-one".
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