Base | Representation |
---|---|
bin | 111100100101111101… |
… | …1111001110001111001 |
3 | 110102212111101222001210 |
4 | 1321023323321301321 |
5 | 4112442442410431 |
6 | 135435551433333 |
7 | 12254366235354 |
oct | 1711373716171 |
9 | 412774358053 |
10 | 130123013241 |
11 | 50204059871 |
12 | 21275b25849 |
13 | c369515130 |
14 | 642596b29b |
15 | 35b8a61d46 |
hex | 1e4bef9c79 |
130123013241 has 32 divisors (see below), whose sum is σ = 191239121920. Its totient is φ = 78192765504.
The previous prime is 130123013239. The next prime is 130123013261. The reversal of 130123013241 is 142310321031.
It is not a de Polignac number, because 130123013241 - 21 = 130123013239 is a prime.
It is a super-2 number, since 2×1301230132412 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130123013261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8355420 + ... + 8370978.
It is an arithmetic number, because the mean of its divisors is an integer number (5976222560).
Almost surely, 2130123013241 is an apocalyptic number.
It is an amenable number.
130123013241 is a deficient number, since it is larger than the sum of its proper divisors (61116108679).
130123013241 is a wasteful number, since it uses less digits than its factorization.
130123013241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20605.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 130123013241 its reverse (142310321031), we get a palindrome (272433334272).
The spelling of 130123013241 in words is "one hundred thirty billion, one hundred twenty-three million, thirteen thousand, two hundred forty-one".
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