Base | Representation |
---|---|
bin | 111100100010101100… |
… | …0101100111101110101 |
3 | 110102120211121221012102 |
4 | 1321011120230331311 |
5 | 4112231324404141 |
6 | 135421024231445 |
7 | 12251563210100 |
oct | 1710530547565 |
9 | 412524557172 |
10 | 130013122421 |
11 | 50158022206 |
12 | 2124516b585 |
13 | c34c81a690 |
14 | 6415123737 |
15 | 35ae0a699b |
hex | 1e4562cf75 |
130013122421 has 48 divisors (see below), whose sum is σ = 170432575488. Its totient is φ = 98184441600.
The previous prime is 130013122411. The next prime is 130013122471. The reversal of 130013122421 is 124221310031.
It is not a de Polignac number, because 130013122421 - 26 = 130013122357 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130013122393 and 130013122402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130013122411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1396436 + ... + 1486626.
It is an arithmetic number, because the mean of its divisors is an integer number (3550678656).
Almost surely, 2130013122421 is an apocalyptic number.
It is an amenable number.
130013122421 is a deficient number, since it is larger than the sum of its proper divisors (40419453067).
130013122421 is a wasteful number, since it uses less digits than its factorization.
130013122421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90322 (or 90315 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 130013122421 its reverse (124221310031), we get a palindrome (254234432452).
The spelling of 130013122421 in words is "one hundred thirty billion, thirteen million, one hundred twenty-two thousand, four hundred twenty-one".
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