Base | Representation |
---|---|
bin | 1010011011101100… |
… | …0101000011011001 |
3 | 21020011122101201020 |
4 | 2212323011003121 |
5 | 21213412130144 |
6 | 1141520313053 |
7 | 126253620516 |
oct | 24673050331 |
9 | 7204571636 |
10 | 2800505049 |
11 | 12078a2991 |
12 | 661a72789 |
13 | 3582760a4 |
14 | 1c7d1630d |
15 | 115cd9419 |
hex | a6ec50d9 |
2800505049 has 8 divisors (see below), whose sum is σ = 3781272960. Its totient is φ = 1843370256.
The previous prime is 2800505039. The next prime is 2800505069. The reversal of 2800505049 is 9405050082.
2800505049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2800505049 - 25 = 2800505017 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2800505039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5908002 + ... + 5908475.
It is an arithmetic number, because the mean of its divisors is an integer number (472659120).
Almost surely, 22800505049 is an apocalyptic number.
It is an amenable number.
2800505049 is a deficient number, since it is larger than the sum of its proper divisors (980767911).
2800505049 is a wasteful number, since it uses less digits than its factorization.
2800505049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11816559.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 2800505049 is about 52919.7982705906. The cubic root of 2800505049 is about 1409.5444849178.
The spelling of 2800505049 in words is "two billion, eight hundred million, five hundred five thousand, forty-nine".
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