Base | Representation |
---|---|
bin | 1011001011000011… |
… | …0001111101001100 |
3 | 21202000101200122020 |
4 | 2302300301331030 |
5 | 22120234210410 |
6 | 1213333450140 |
7 | 134215126005 |
oct | 26260617514 |
9 | 7660350566 |
10 | 2999131980 |
11 | 12a9a28279 |
12 | 6b84a0950 |
13 | 38a46c410 |
14 | 20645c1ac |
15 | 128471a70 |
hex | b2c31f4c |
2999131980 has 48 divisors (see below), whose sum is σ = 9043538784. Its totient is φ = 738247680.
The previous prime is 2999131957. The next prime is 2999131981. The reversal of 2999131980 is 891319992.
2999131980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (2999131981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921741 + ... + 1923300.
It is an arithmetic number, because the mean of its divisors is an integer number (188407058).
Almost surely, 22999131980 is an apocalyptic number.
2999131980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2999131980 is an abundant number, since it is smaller than the sum of its proper divisors (6044406804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2999131980 is a wasteful number, since it uses less digits than its factorization.
2999131980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3845066 (or 3845064 counting only the distinct ones).
The product of its (nonzero) digits is 314928, while the sum is 51.
The square root of 2999131980 is about 54764.3312750188. The cubic root of 2999131980 is about 1442.1104567259.
The spelling of 2999131980 in words is "two billion, nine hundred ninety-nine million, one hundred thirty-one thousand, nine hundred eighty".
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