Base | Representation |
---|---|
bin | 11100000001000110… |
… | …001011011100011001 |
3 | 2212122112210021110100 |
4 | 130001012023130121 |
5 | 443102242334100 |
6 | 21453042410013 |
7 | 2113326465141 |
oct | 340106133431 |
9 | 85575707410 |
10 | 30083168025 |
11 | 11838189439 |
12 | 59b6960909 |
13 | 2ab5694451 |
14 | 16554d7921 |
15 | bb10a6400 |
hex | 70118b719 |
30083168025 has 81 divisors (see below), whose sum is σ = 55826171037. Its totient is φ = 15485169600.
The previous prime is 30083167999. The next prime is 30083168039. The reversal of 30083168025 is 52086138003.
The square root of 30083168025 is 173445.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 289646361 + 29793521664 = 17019^2 + 172608^2 .
It is not a de Polignac number, because 30083168025 - 25 = 30083167993 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 80651739 + ... + 80652111.
Almost surely, 230083168025 is an apocalyptic number.
30083168025 is the 173445-th square number.
30083168025 is the 86723-rd centered octagonal number.
It is an amenable number.
30083168025 is a deficient number, since it is larger than the sum of its proper divisors (25743003012).
30083168025 is an equidigital number, since it uses as much as digits as its factorization.
30083168025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 824 (or 412 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
Multiplying 30083168025 by its sum of digits (36), we get a square (1082994048900 = 10406702).
The spelling of 30083168025 in words is "thirty billion, eighty-three million, one hundred sixty-eight thousand, twenty-five".
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