Base | Representation |
---|---|
bin | 1001001001111001010101… |
… | …10100011011010111100011 |
3 | 2122021112020001001110101100 |
4 | 10210330222310123113203 |
5 | 10114312224401244021 |
6 | 110452054234405443 |
7 | 4145301435342246 |
oct | 444745264332743 |
9 | 78245201043340 |
10 | 20131230103011 |
11 | 6461674633825 |
12 | 2311698290883 |
13 | b3049cc8c871 |
14 | 4d84dcc5125d |
15 | 24d9d5bce626 |
hex | 124f2ad1b5e3 |
20131230103011 has 12 divisors (see below), whose sum is σ = 29081067324088. Its totient is φ = 13419609064704.
The previous prime is 20131230103009. The next prime is 20131230103073. The reversal of 20131230103011 is 11030103213102.
20131230103011 is a `hidden beast` number, since 2 + 0 + 131 + 230 + 1 + 0 + 301 + 1 = 666.
It is not a de Polignac number, because 20131230103011 - 21 = 20131230103009 is a prime.
It is a super-2 number, since 2×201312301030112 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20131230103711) 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, 100811710 + ... + 101011203.
Almost surely, 220131230103011 is an apocalyptic number.
20131230103011 is a deficient number, since it is larger than the sum of its proper divisors (8949837221077).
20131230103011 is a wasteful number, since it uses less digits than its factorization.
20131230103011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201834002 (or 201833999 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 20131230103011 its reverse (11030103213102), we get a palindrome (31161333316113).
The spelling of 20131230103011 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty million, one hundred three thousand, eleven".
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