Base | Representation |
---|---|
bin | 111100010110100… |
… | …0011111111001011 |
3 | 12020010112122202222 |
4 | 1320231003333023 |
5 | 13121410004411 |
6 | 532540244255 |
7 | 101116612424 |
oct | 17055037713 |
9 | 5203478688 |
10 | 2025078731 |
11 | 94a116695 |
12 | 48624068b |
13 | 263718350 |
14 | 152d4664b |
15 | bcbb84db |
hex | 78b43fcb |
2025078731 has 8 divisors (see below), whose sum is σ = 2193040080. Its totient is φ = 1858858272.
The previous prime is 2025078673. The next prime is 2025078733. The reversal of 2025078731 is 1378705202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2025078731 - 218 = 2024816587 is a prime.
It is a super-2 number, since 2×20250787312 = 8201887733497140722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2025078691 and 2025078700.
It is not an unprimeable number, because it can be changed into a prime (2025078733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432800 + ... + 437453.
It is an arithmetic number, because the mean of its divisors is an integer number (274130010).
Almost surely, 22025078731 is an apocalyptic number.
2025078731 is a deficient number, since it is larger than the sum of its proper divisors (167961349).
2025078731 is a wasteful number, since it uses less digits than its factorization.
2025078731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 870445.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 2025078731 is about 45000.8747803862. The cubic root of 2025078731 is about 1265.1653938629.
The spelling of 2025078731 in words is "two billion, twenty-five million, seventy-eight thousand, seven hundred thirty-one".
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