Base | Representation |
---|---|
bin | 11000011100000011… |
… | …01000110000101011 |
3 | 1020212100222211100012 |
4 | 30032001220300223 |
5 | 203332233241021 |
6 | 10005523402135 |
7 | 643062650654 |
oct | 141601506053 |
9 | 36770884305 |
10 | 13120212011 |
11 | 5623021525 |
12 | 2661b2334b |
13 | 131127127a |
14 | 8c66dc52b |
15 | 51bc9a35b |
hex | 30e068c2b |
13120212011 has 8 divisors (see below), whose sum is σ = 13493774448. Its totient is φ = 12749200000.
The previous prime is 13120211983. The next prime is 13120212019. The reversal of 13120212011 is 11021202131.
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 13120212011 - 26 = 13120211947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13120212019) 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, 627170 + ... + 647751.
It is an arithmetic number, because the mean of its divisors is an integer number (1686721806).
Almost surely, 213120212011 is an apocalyptic number.
13120212011 is a deficient number, since it is larger than the sum of its proper divisors (373562437).
13120212011 is a wasteful number, since it uses less digits than its factorization.
13120212011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1275213.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 13120212011 its reverse (11021202131), we get a palindrome (24141414142).
It can be divided in two parts, 131202120 and 11, that added together give a palindrome (131202131).
The spelling of 13120212011 in words is "thirteen billion, one hundred twenty million, two hundred twelve thousand, eleven".
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