Base | Representation |
---|---|
bin | 1010111010110111… |
… | …0000000001001000 |
3 | 21120021121211220120 |
4 | 2232231300001020 |
5 | 22000343304434 |
6 | 1202510223240 |
7 | 132432014253 |
oct | 25655600110 |
9 | 7507554816 |
10 | 2931228744 |
11 | 12746695a4 |
12 | 6997b4b20 |
13 | 3793860a2 |
14 | 1db42409a |
15 | 12250c349 |
hex | aeb70048 |
2931228744 has 64 divisors (see below), whose sum is σ = 7833248640. Its totient is φ = 911792640.
The previous prime is 2931228731. The next prime is 2931228793. The reversal of 2931228744 is 4478221392.
It is a junction number, because it is equal to n+sod(n) for n = 2931228696 and 2931228705.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42127 + ... + 87390.
It is an arithmetic number, because the mean of its divisors is an integer number (122394510).
Almost surely, 22931228744 is an apocalyptic number.
2931228744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2931228744 is an abundant number, since it is smaller than the sum of its proper divisors (4902019896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2931228744 is a wasteful number, since it uses less digits than its factorization.
2931228744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129590 (or 129586 counting only the distinct ones).
The product of its digits is 193536, while the sum is 42.
The square root of 2931228744 is about 54140.8232667365. The cubic root of 2931228744 is about 1431.1436795884.
The spelling of 2931228744 in words is "two billion, nine hundred thirty-one million, two hundred twenty-eight thousand, seven hundred forty-four".
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