Base | Representation |
---|---|
bin | 1110000111000110000100… |
… | …10110011101001101011100 |
3 | 11001212110010022212211002011 |
4 | 13003203002112131031130 |
5 | 13031344123212204040 |
6 | 145555011055441004 |
7 | 6351564625416226 |
oct | 703430226351534 |
9 | 131773108784064 |
10 | 31030104413020 |
11 | 998387aa96029 |
12 | 3591a13226164 |
13 | 14411845ca21b |
14 | 793c17a5b416 |
15 | 38c26e3e13ea |
hex | 1c38c259d35c |
31030104413020 has 12 divisors (see below), whose sum is σ = 65163219267384. Its totient is φ = 12412041765200.
The previous prime is 31030104413003. The next prime is 31030104413117. The reversal of 31030104413020 is 2031440103013.
31030104413020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 31030104412982 and 31030104413000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775752610306 + ... + 775752610345.
It is an arithmetic number, because the mean of its divisors is an integer number (5430268272282).
Almost surely, 231030104413020 is an apocalyptic number.
It is an amenable number.
31030104413020 is an abundant number, since it is smaller than the sum of its proper divisors (34133114854364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31030104413020 is a wasteful number, since it uses less digits than its factorization.
31030104413020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1551505220660 (or 1551505220658 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 31030104413020 its reverse (2031440103013), we get a palindrome (33061544516033).
The spelling of 31030104413020 in words is "thirty-one trillion, thirty billion, one hundred four million, four hundred thirteen thousand, twenty".
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