Base | Representation |
---|---|
bin | 111100010111001… |
… | …1100011000101111 |
3 | 12020011020001110111 |
4 | 1320232130120233 |
5 | 13122003101230 |
6 | 532552120451 |
7 | 101122651156 |
oct | 17056343057 |
9 | 5204201414 |
10 | 2025440815 |
11 | 94a343732 |
12 | 486396127 |
13 | 2638140b8 |
14 | 152ddc59d |
15 | bcc3a92a |
hex | 78b9c62f |
2025440815 has 8 divisors (see below), whose sum is σ = 2452038768. Its totient is φ = 1606012800.
The previous prime is 2025440779. The next prime is 2025440819. The reversal of 2025440815 is 5180445202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2025440815 - 27 = 2025440687 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 (2025440819) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791861 + ... + 1792990.
It is an arithmetic number, because the mean of its divisors is an integer number (306504846).
Almost surely, 22025440815 is an apocalyptic number.
2025440815 is a deficient number, since it is larger than the sum of its proper divisors (426597953).
2025440815 is a wasteful number, since it uses less digits than its factorization.
2025440815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3584969.
The product of its (nonzero) digits is 12800, while the sum is 31.
The square root of 2025440815 is about 45004.8976779195. The cubic root of 2025440815 is about 1265.2407932107.
The spelling of 2025440815 in words is "two billion, twenty-five million, four hundred forty thousand, eight hundred fifteen".
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