Base | Representation |
---|---|
bin | 11010101010000010… |
… | …000111011010100101 |
3 | 2201212202020220020212 |
4 | 122222002013122211 |
5 | 432104324011112 |
6 | 21052103105205 |
7 | 2032202052410 |
oct | 325202073245 |
9 | 81782226225 |
10 | 28622485157 |
11 | 11158712812 |
12 | 5669742205 |
13 | 2911b89c66 |
14 | 155750ab77 |
15 | b27c26522 |
hex | 6aa0876a5 |
28622485157 has 16 divisors (see below), whose sum is σ = 33233682432. Its totient is φ = 24142607280.
The previous prime is 28622485139. The next prime is 28622485169. The reversal of 28622485157 is 75158422682.
It is a cyclic number.
It is not a de Polignac number, because 28622485157 - 210 = 28622484133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28622485057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433988 + ... + 495570.
It is an arithmetic number, because the mean of its divisors is an integer number (2077105152).
Almost surely, 228622485157 is an apocalyptic number.
It is an amenable number.
28622485157 is a deficient number, since it is larger than the sum of its proper divisors (4611197275).
28622485157 is an equidigital number, since it uses as much as digits as its factorization.
28622485157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62648.
The product of its digits is 2150400, while the sum is 50.
The spelling of 28622485157 in words is "twenty-eight billion, six hundred twenty-two million, four hundred eighty-five thousand, one hundred fifty-seven".
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