Base | Representation |
---|---|
bin | 11001001001011100… |
… | …11011100001100111 |
3 | 1021211220121120000011 |
4 | 30210232123201213 |
5 | 210122232144111 |
6 | 10111410231051 |
7 | 655366025434 |
oct | 144456334147 |
9 | 37756546004 |
10 | 13501053031 |
11 | 57a8aa0a74 |
12 | 2749585487 |
13 | 137213519b |
14 | 921116b8b |
15 | 540427021 |
hex | 324b9b867 |
13501053031 has 4 divisors (see below), whose sum is σ = 13509445600. Its totient is φ = 13492660464.
The previous prime is 13501053001. The next prime is 13501053053. The reversal of 13501053031 is 13035010531.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13501053031 - 213 = 13501044839 is a prime.
It is a super-2 number, since 2×135010530312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13501052993 and 13501053011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13501053001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4193871 + ... + 4197088.
It is an arithmetic number, because the mean of its divisors is an integer number (3377361400).
Almost surely, 213501053031 is an apocalyptic number.
13501053031 is a deficient number, since it is larger than the sum of its proper divisors (8392569).
13501053031 is an equidigital number, since it uses as much as digits as its factorization.
13501053031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8392568.
The product of its (nonzero) digits is 675, while the sum is 22.
Adding to 13501053031 its reverse (13035010531), we get a palindrome (26536063562).
The spelling of 13501053031 in words is "thirteen billion, five hundred one million, fifty-three thousand, thirty-one".
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