Base | Representation |
---|---|
bin | 1011001000110010… |
… | …0001000100011001 |
3 | 21201100111201101000 |
4 | 2302030201010121 |
5 | 22110321010000 |
6 | 1212354015213 |
7 | 134041253460 |
oct | 26214410431 |
9 | 7640451330 |
10 | 2989625625 |
11 | 12a4624a88 |
12 | 6b5277509 |
13 | 3884c145c |
14 | 2050a59d7 |
15 | 1276e5000 |
hex | b2321119 |
2989625625 has 80 divisors (see below), whose sum is σ = 6325475200. Its totient is φ = 1366632000.
The previous prime is 2989625599. The next prime is 2989625669. The reversal of 2989625625 is 5265269892.
2989625625 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 6 + 2 + 5 + 625 = 666.
It is not a de Polignac number, because 2989625625 - 27 = 2989625497 is a prime.
It is a super-2 number, since 2×29896256252 = 17875722755313281250, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 105471 + ... + 130779.
It is an arithmetic number, because the mean of its divisors is an integer number (79068440).
Almost surely, 22989625625 is an apocalyptic number.
2989625625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2989625625 is an abundant number, since it is smaller than the sum of its proper divisors (3335849575).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989625625 is an equidigital number, since it uses as much as digits as its factorization.
2989625625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25345 (or 25324 counting only the distinct ones).
The product of its digits is 4665600, while the sum is 54.
The square root of 2989625625 is about 54677.4690800516. The cubic root of 2989625625 is about 1440.5851571491.
The spelling of 2989625625 in words is "two billion, nine hundred eighty-nine million, six hundred twenty-five thousand, six hundred twenty-five".
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