Base | Representation |
---|---|
bin | 1010001000111001… |
… | …1000111000001000 |
3 | 21000200022201022110 |
4 | 2202032120320020 |
5 | 21033222242104 |
6 | 1130023022320 |
7 | 124305622515 |
oct | 24216307010 |
9 | 7020281273 |
10 | 2721680904 |
11 | 1177355168 |
12 | 63b59a9a0 |
13 | 344b37c97 |
14 | 1bb67830c |
15 | 10de18e89 |
hex | a2398e08 |
2721680904 has 16 divisors (see below), whose sum is σ = 6804202320. Its totient is φ = 907226960.
The previous prime is 2721680893. The next prime is 2721680911. The reversal of 2721680904 is 4090861272.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56701662 + ... + 56701709.
It is an arithmetic number, because the mean of its divisors is an integer number (425262645).
Almost surely, 22721680904 is an apocalyptic number.
2721680904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2721680904 is an abundant number, since it is smaller than the sum of its proper divisors (4082521416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2721680904 is a wasteful number, since it uses less digits than its factorization.
2721680904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113403380 (or 113403376 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 2721680904 is about 52169.7316841864. The cubic root of 2721680904 is about 1396.1938973100.
The spelling of 2721680904 in words is "two billion, seven hundred twenty-one million, six hundred eighty thousand, nine hundred four".
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