Base | Representation |
---|---|
bin | 1001100100000111010111… |
… | …00101010010011110111101 |
3 | 2202110122120001211220010210 |
4 | 10302003223211102132331 |
5 | 10224042231222131023 |
6 | 112422004034423033 |
7 | 4300343230601451 |
oct | 462035345223675 |
9 | 82418501756123 |
10 | 21032112302013 |
11 | 677973a0a77aa |
12 | 24381b7a31a79 |
13 | b9742044bac7 |
14 | 529d6147c661 |
15 | 2671608bd593 |
hex | 1320eb9527bd |
21032112302013 has 16 divisors (see below), whose sum is σ = 29692518014016. Its totient is φ = 13196564294400.
The previous prime is 21032112301999. The next prime is 21032112302017. The reversal of 21032112302013 is 31020321123012.
It is not a de Polignac number, because 21032112302013 - 216 = 21032112236477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21032112302017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13908538 + ... + 15346388.
It is an arithmetic number, because the mean of its divisors is an integer number (1855782375876).
Almost surely, 221032112302013 is an apocalyptic number.
It is an amenable number.
21032112302013 is a deficient number, since it is larger than the sum of its proper divisors (8660405712003).
21032112302013 is a wasteful number, since it uses less digits than its factorization.
21032112302013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1724684.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 21032112302013 its reverse (31020321123012), we get a palindrome (52052433425025).
The spelling of 21032112302013 in words is "twenty-one trillion, thirty-two billion, one hundred twelve million, three hundred two thousand, thirteen".
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