Base | Representation |
---|---|
bin | 111100111100101… |
… | …0001101001111100 |
3 | 12021112010200201022 |
4 | 1321321101221330 |
5 | 13142013321120 |
6 | 534532403312 |
7 | 101451463142 |
oct | 17171215174 |
9 | 5245120638 |
10 | 2045057660 |
11 | 95a4220a8 |
12 | 490a76538 |
13 | 2678c1cb9 |
14 | 155867592 |
15 | be813025 |
hex | 79e51a7c |
2045057660 has 24 divisors (see below), whose sum is σ = 4295494896. Its totient is φ = 817856640.
The previous prime is 2045057633. The next prime is 2045057671. The reversal of 2045057660 is 667505402.
It is a self number, because there is not a number n which added to its sum of digits gives 2045057660.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152840 + ... + 165680.
It is an arithmetic number, because the mean of its divisors is an integer number (178978954).
Almost surely, 22045057660 is an apocalyptic number.
2045057660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2045057660 is an abundant number, since it is smaller than the sum of its proper divisors (2250437236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2045057660 is a wasteful number, since it uses less digits than its factorization.
2045057660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20813 (or 20811 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 35.
The square root of 2045057660 is about 45222.3137400111. The cubic root of 2045057660 is about 1269.3123894694.
The spelling of 2045057660 in words is "two billion, forty-five million, fifty-seven thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •