Base | Representation |
---|---|
bin | 1011110000111111110… |
… | …1101110111001010111 |
3 | 201022201212201010222110 |
4 | 2330033331232321113 |
5 | 11302431103212043 |
6 | 232505143202103 |
7 | 20414000510235 |
oct | 2741775567127 |
9 | 638655633873 |
10 | 202131304023 |
11 | 787a5940490 |
12 | 33211446333 |
13 | 160a3a4a70c |
14 | 9ad7199955 |
15 | 53d0621b33 |
hex | 2f0ff6ee57 |
202131304023 has 16 divisors (see below), whose sum is σ = 295070587776. Its totient is φ = 122061563040.
The previous prime is 202131304009. The next prime is 202131304031. The reversal of 202131304023 is 320403131202.
It is not a de Polignac number, because 202131304023 - 24 = 202131304007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202131304033) 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, 11047161 + ... + 11065442.
It is an arithmetic number, because the mean of its divisors is an integer number (18441911736).
Almost surely, 2202131304023 is an apocalyptic number.
202131304023 is a deficient number, since it is larger than the sum of its proper divisors (92939283753).
202131304023 is a wasteful number, since it uses less digits than its factorization.
202131304023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22112894.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 202131304023 its reverse (320403131202), we get a palindrome (522534435225).
The spelling of 202131304023 in words is "two hundred two billion, one hundred thirty-one million, three hundred four thousand, twenty-three".
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