Base | Representation |
---|---|
bin | 1010011010011110… |
… | …1000000101110000 |
3 | 21012211001022200201 |
4 | 2212213220011300 |
5 | 21211110440210 |
6 | 1141215124544 |
7 | 126162361534 |
oct | 24647500560 |
9 | 7184038621 |
10 | 2795405680 |
11 | 1204a2a731 |
12 | 660213754 |
13 | 3571ac002 |
14 | 1c7389bc4 |
15 | 11562d53a |
hex | a69e8170 |
2795405680 has 40 divisors (see below), whose sum is σ = 6512976000. Its totient is φ = 1115812608.
The previous prime is 2795405651. The next prime is 2795405713. The reversal of 2795405680 is 865045972.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 2795405680.
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, 1846 + ... + 74794.
It is an arithmetic number, because the mean of its divisors is an integer number (162824400).
Almost surely, 22795405680 is an apocalyptic number.
2795405680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2795405680 is an abundant number, since it is smaller than the sum of its proper divisors (3717570320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2795405680 is a wasteful number, since it uses less digits than its factorization.
2795405680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73441 (or 73435 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 46.
The square root of 2795405680 is about 52871.5961552136. The cubic root of 2795405680 is about 1408.6884304525.
The spelling of 2795405680 in words is "two billion, seven hundred ninety-five million, four hundred five thousand, six hundred eighty".
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