Base | Representation |
---|---|
bin | 1110001100111010011010… |
… | …00101001011000110001100 |
3 | 11002120120002102110122122122 |
4 | 13012131031011023012030 |
5 | 13043133020101123040 |
6 | 150230510352432112 |
7 | 6402202344362345 |
oct | 706351505130614 |
9 | 132516072418578 |
10 | 31230000411020 |
11 | 9a50629081a64 |
12 | 36046bbb48638 |
13 | 1456c90204148 |
14 | 79d77bdc90cc |
15 | 39256d6701b5 |
hex | 1c674d14b18c |
31230000411020 has 12 divisors (see below), whose sum is σ = 65583000863184. Its totient is φ = 12492000164400.
The previous prime is 31230000410927. The next prime is 31230000411079. The reversal of 31230000411020 is 2011400003213.
It is a self number, because there is not a number n which added to its sum of digits gives 31230000411020.
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, 780750010256 + ... + 780750010295.
It is an arithmetic number, because the mean of its divisors is an integer number (5465250071932).
Almost surely, 231230000411020 is an apocalyptic number.
It is an amenable number.
31230000411020 is an abundant number, since it is smaller than the sum of its proper divisors (34353000452164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31230000411020 is a wasteful number, since it uses less digits than its factorization.
31230000411020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1561500020560 (or 1561500020558 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 31230000411020 its reverse (2011400003213), we get a palindrome (33241400414233).
The spelling of 31230000411020 in words is "thirty-one trillion, two hundred thirty billion, four hundred eleven thousand, twenty".
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