Base | Representation |
---|---|
bin | 10011000100000000… |
… | …110100110011110001 |
3 | 1221211110221110110011 |
4 | 103010000310303301 |
5 | 313404403413300 |
6 | 13223021134521 |
7 | 1323140461240 |
oct | 230400646361 |
9 | 57743843404 |
10 | 20468419825 |
11 | 8753986847 |
12 | 3b729ba441 |
13 | 1c12753729 |
14 | dc25ba957 |
15 | 7ebe46eba |
hex | 4c4034cf1 |
20468419825 has 12 divisors (see below), whose sum is σ = 29006675200. Its totient is φ = 14035487760.
The previous prime is 20468419793. The next prime is 20468419859. The reversal of 20468419825 is 52891486402.
It is not a de Polignac number, because 20468419825 - 25 = 20468419793 is a prime.
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, 58481025 + ... + 58481374.
Almost surely, 220468419825 is an apocalyptic number.
20468419825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20468419825 is a deficient number, since it is larger than the sum of its proper divisors (8538255375).
20468419825 is a wasteful number, since it uses less digits than its factorization.
20468419825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116962416 (or 116962411 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 49.
The spelling of 20468419825 in words is "twenty billion, four hundred sixty-eight million, four hundred nineteen thousand, eight hundred twenty-five".
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