Base | Representation |
---|---|
bin | 11000001111010011… |
… | …11010110010111011 |
3 | 1020120220212201100002 |
4 | 30013221322302323 |
5 | 203122403044011 |
6 | 5551144503215 |
7 | 640324326623 |
oct | 140751726273 |
9 | 36526781302 |
10 | 13013331131 |
11 | 5578760319 |
12 | 263217ab0b |
13 | 12c508b848 |
14 | 8b6439883 |
15 | 5126d6c3b |
hex | 307a7acbb |
13013331131 has 8 divisors (see below), whose sum is σ = 13135148400. Its totient is φ = 12891558240.
The previous prime is 13013331127. The next prime is 13013331137. The reversal of 13013331131 is 13113331031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13013331131 - 22 = 13013331127 is a prime.
It is a super-2 number, since 2×130133311312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13013331137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024940 + ... + 1037558.
It is an arithmetic number, because the mean of its divisors is an integer number (1641893550).
Almost surely, 213013331131 is an apocalyptic number.
13013331131 is a deficient number, since it is larger than the sum of its proper divisors (121817269).
13013331131 is a wasteful number, since it uses less digits than its factorization.
13013331131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22189.
The product of its (nonzero) digits is 243, while the sum is 20.
Adding to 13013331131 its reverse (13113331031), we get a palindrome (26126662162).
The spelling of 13013331131 in words is "thirteen billion, thirteen million, three hundred thirty-one thousand, one hundred thirty-one".
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