Base | Representation |
---|---|
bin | 110000000001000000… |
… | …0111011011110001011 |
3 | 100212011010022210110100 |
4 | 1200002000323132023 |
5 | 3142133412410011 |
6 | 115211445420443 |
7 | 10310144102352 |
oct | 1400200733613 |
9 | 325133283410 |
10 | 103113013131 |
11 | 3a803675a27 |
12 | 17b9840a723 |
13 | 995374294b |
14 | 4dc2684999 |
15 | 2a376a3d56 |
hex | 180203b78b |
103113013131 has 12 divisors (see below), whose sum is σ = 148978615552. Its totient is φ = 68724656496.
The previous prime is 103113013123. The next prime is 103113013189. The reversal of 103113013131 is 131310311301.
103113013131 is a `hidden beast` number, since 10 + 311 + 30 + 1 + 313 + 1 = 666.
It is not a de Polignac number, because 103113013131 - 23 = 103113013123 is a prime.
It is a super-2 number, since 2×1031130131312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103113013111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408336 + ... + 1479741.
Almost surely, 2103113013131 is an apocalyptic number.
103113013131 is a deficient number, since it is larger than the sum of its proper divisors (45865602421).
103113013131 is a wasteful number, since it uses less digits than its factorization.
103113013131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2892050 (or 2892047 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 18.
Adding to 103113013131 its reverse (131310311301), we get a palindrome (234423324432).
The spelling of 103113013131 in words is "one hundred three billion, one hundred thirteen million, thirteen thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •