Base | Representation |
---|---|
bin | 11101100101011000010000… |
… | …010100100110111110101101 |
3 | 122001200120211220102111100001 |
4 | 131211120100110212332231 |
5 | 114023223400323244041 |
6 | 1140420344511304301 |
7 | 36256165656316105 |
oct | 3545302024467655 |
9 | 561616756374301 |
10 | 130112013103021 |
11 | 38504216424444 |
12 | 127146b5b1b091 |
13 | 577a682b664c1 |
14 | 241b65288c205 |
15 | 10097a3291131 |
hex | 765610526fad |
130112013103021 has 16 divisors (see below), whose sum is σ = 134058831626608. Its totient is φ = 126223764480000.
The previous prime is 130112013103003. The next prime is 130112013103063. The reversal of 130112013103021 is 120301310211031.
It can be written as a sum of positive squares in 8 ways, for example, as 69536752876900 + 60575260226121 = 8338870^2 + 7783011^2 .
It is a cyclic number.
It is not a de Polignac number, because 130112013103021 - 215 = 130112013070253 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130112013103021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130112013103091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307049725 + ... + 307473181.
It is an arithmetic number, because the mean of its divisors is an integer number (8378676976663).
Almost surely, 2130112013103021 is an apocalyptic number.
It is an amenable number.
130112013103021 is a deficient number, since it is larger than the sum of its proper divisors (3946818523587).
130112013103021 is an equidigital number, since it uses as much as digits as its factorization.
130112013103021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492592.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 130112013103021 its reverse (120301310211031), we get a palindrome (250413323314052).
The spelling of 130112013103021 in words is "one hundred thirty trillion, one hundred twelve billion, thirteen million, one hundred three thousand, twenty-one".
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