Base | Representation |
---|---|
bin | 1110001100111010101010… |
… | …00100010100010001110010 |
3 | 11002120120102202121012202101 |
4 | 13012131111010110101302 |
5 | 13043133303401413320 |
6 | 150230531540411014 |
7 | 6402205562324140 |
oct | 706352504242162 |
9 | 132516382535671 |
10 | 31230134404210 |
11 | 9a50697781035 |
12 | 36047389a6a6a |
13 | 1456cb1bba361 |
14 | 79d791b08590 |
15 | 39257a2dbc0a |
hex | 1c6755114472 |
31230134404210 has 32 divisors (see below), whose sum is σ = 64654050792960. Its totient is φ = 10639274173632.
The previous prime is 31230134404193. The next prime is 31230134404219. The reversal of 31230134404210 is 1240443103213.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (31230134404219) 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, 1420832250 + ... + 1420854229.
It is an arithmetic number, because the mean of its divisors is an integer number (2020439087280).
Almost surely, 231230134404210 is an apocalyptic number.
31230134404210 is an abundant number, since it is smaller than the sum of its proper divisors (33423916388750).
31230134404210 is a wasteful number, since it uses less digits than its factorization.
31230134404210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2841686650.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 31230134404210 its reverse (1240443103213), we get a palindrome (32470577507423).
The spelling of 31230134404210 in words is "thirty-one trillion, two hundred thirty billion, one hundred thirty-four million, four hundred four thousand, two hundred ten".
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