Base | Representation |
---|---|
bin | 10101110100100111… |
… | …010101011101000001 |
3 | 2020110222010121212001 |
4 | 111310213111131001 |
5 | 340441403230100 |
6 | 14433022104001 |
7 | 1456435543432 |
oct | 256447253501 |
9 | 66428117761 |
10 | 23431305025 |
11 | 9a343a72a7 |
12 | 465b11b001 |
13 | 229554173b |
14 | 11c3cc1489 |
15 | 922108d6a |
hex | 5749d5741 |
23431305025 has 12 divisors (see below), whose sum is σ = 29083031424. Its totient is φ = 18726842000.
The previous prime is 23431304999. The next prime is 23431305041. The reversal of 23431305025 is 52050313432.
It is not a de Polignac number, because 23431305025 - 29 = 23431304513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23431304984 and 23431305002.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428761 + ... + 480310.
It is an arithmetic number, because the mean of its divisors is an integer number (2423585952).
Almost surely, 223431305025 is an apocalyptic number.
23431305025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23431305025 is a deficient number, since it is larger than the sum of its proper divisors (5651726399).
23431305025 is a wasteful number, since it uses less digits than its factorization.
23431305025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910112 (or 910107 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 28.
Adding to 23431305025 its reverse (52050313432), we get a palindrome (75481618457).
The spelling of 23431305025 in words is "twenty-three billion, four hundred thirty-one million, three hundred five thousand, twenty-five".
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