Base | Representation |
---|---|
bin | 1010110001001100… |
… | …0100011011101000 |
3 | 21110110022202112201 |
4 | 2230103010123220 |
5 | 21410003230130 |
6 | 1154501145544 |
7 | 131430242413 |
oct | 25423043350 |
9 | 7413282481 |
10 | 2890680040 |
11 | 1253793776 |
12 | 6880bb2b4 |
13 | 370b59881 |
14 | 1d5caab7a |
15 | 11db9cbca |
hex | ac4c46e8 |
2890680040 has 24 divisors (see below), whose sum is σ = 6504795270. Its totient is φ = 1156136000.
The previous prime is 2890679993. The next prime is 2890680047. The reversal of 2890680040 is 400860982.
It can be written as a sum of positive squares in 3 ways, for example, as 960132196 + 1930547844 = 30986^2 + 43938^2 .
It is not an unprimeable number, because it can be changed into a prime (2890680047) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335790 + ... + 344290.
Almost surely, 22890680040 is an apocalyptic number.
2890680040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2890680040 is an abundant number, since it is smaller than the sum of its proper divisors (3614115230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2890680040 is an frugal number, since it uses more digits than its factorization.
2890680040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17013 (or 8508 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 2890680040 is about 53765.0447781828. The cubic root of 2890680040 is about 1424.5138450367.
The spelling of 2890680040 in words is "two billion, eight hundred ninety million, six hundred eighty thousand, forty".
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