Base | Representation |
---|---|
bin | 11101010000010011… |
… | …011000101001000100 |
3 | 10000002011021110102021 |
4 | 131100103120221010 |
5 | 1003312434430040 |
6 | 22232552452524 |
7 | 2161263564310 |
oct | 352023305104 |
9 | 100064243367 |
10 | 31412030020 |
11 | 1235a2aa098 |
12 | 61079aa144 |
13 | 2c67a96417 |
14 | 173dbacb40 |
15 | c3ca9824a |
hex | 7504d8a44 |
31412030020 has 48 divisors (see below), whose sum is σ = 75519722880. Its totient is φ = 10751145984.
The previous prime is 31412029997. The next prime is 31412030033. The reversal of 31412030020 is 2003021413.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 31412029976 and 31412030003.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113650 + ... + 275209.
It is an arithmetic number, because the mean of its divisors is an integer number (1573327560).
Almost surely, 231412030020 is an apocalyptic number.
It is an amenable number.
31412030020 is an abundant number, since it is smaller than the sum of its proper divisors (44107692860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31412030020 is a wasteful number, since it uses less digits than its factorization.
31412030020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389452 (or 389450 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 31412030020 its reverse (2003021413), we get a palindrome (33415051433).
The spelling of 31412030020 in words is "thirty-one billion, four hundred twelve million, thirty thousand, twenty".
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