Base | Representation |
---|---|
bin | 1001000101010101100… |
… | …11101110110010011100 |
3 | 1002211121000111001100110 |
4 | 10202222303232302130 |
5 | 20103141423124040 |
6 | 355213413330020 |
7 | 31356132362463 |
oct | 4425263566234 |
9 | 1084530431313 |
10 | 312103333020 |
11 | 1103a9216566 |
12 | 505a2936910 |
13 | 2357b50301b |
14 | 1116a77b9da |
15 | 81ba041980 |
hex | 48aaceec9c |
312103333020 has 48 divisors (see below), whose sum is σ = 874599441408. Its totient is φ = 83159926080.
The previous prime is 312103333001. The next prime is 312103333039. The reversal of 312103333020 is 20333301213.
It is an interprime number because it is at equal distance from previous prime (312103333001) and next prime (312103333039).
It is a congruent number.
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, 2038944 + ... + 2186663.
It is an arithmetic number, because the mean of its divisors is an integer number (18220821696).
Almost surely, 2312103333020 is an apocalyptic number.
312103333020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
312103333020 is an abundant number, since it is smaller than the sum of its proper divisors (562496108388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312103333020 is a wasteful number, since it uses less digits than its factorization.
312103333020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4226850 (or 4226848 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 312103333020 its reverse (20333301213), we get a palindrome (332436634233).
The spelling of 312103333020 in words is "three hundred twelve billion, one hundred three million, three hundred thirty-three thousand, twenty".
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