Base | Representation |
---|---|
bin | 1010011011101000… |
… | …0110110011000111 |
3 | 21020011011102221000 |
4 | 2212322012303013 |
5 | 21213331000210 |
6 | 1141511024343 |
7 | 126251506221 |
oct | 24672066307 |
9 | 7204142830 |
10 | 2800250055 |
11 | 1207739349 |
12 | 66196b0b3 |
13 | 3581b6cc5 |
14 | 1c7c8b411 |
15 | 115c88ac0 |
hex | a6e86cc7 |
2800250055 has 16 divisors (see below), whose sum is σ = 4978222560. Its totient is φ = 1493466624.
The previous prime is 2800250053. The next prime is 2800250111. The reversal of 2800250055 is 5500520082.
It is not a de Polignac number, because 2800250055 - 21 = 2800250053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2800250053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10371162 + ... + 10371431.
It is an arithmetic number, because the mean of its divisors is an integer number (311138910).
Almost surely, 22800250055 is an apocalyptic number.
2800250055 is a deficient number, since it is larger than the sum of its proper divisors (2177972505).
2800250055 is a wasteful number, since it uses less digits than its factorization.
2800250055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20742607 (or 20742601 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 2800250055 is about 52917.3889661990. The cubic root of 2800250055 is about 1409.5017025994.
The spelling of 2800250055 in words is "two billion, eight hundred million, two hundred fifty thousand, fifty-five".
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