Base | Representation |
---|---|
bin | 1110111111110110… |
… | …1101001110010011 |
3 | 101101120111110121100 |
4 | 3233331231032103 |
5 | 31221114240033 |
6 | 1503253355443 |
7 | 201523563060 |
oct | 35775551623 |
9 | 11346443540 |
10 | 4025930643 |
11 | 1786595309 |
12 | 944338b83 |
13 | 4c21003a7 |
14 | 2a2983c67 |
15 | 188698513 |
hex | eff6d393 |
4025930643 has 48 divisors (see below), whose sum is σ = 6797430016. Its totient is φ = 2248585920.
The previous prime is 4025930627. The next prime is 4025930647. The reversal of 4025930643 is 3460395204.
4025930643 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 9 + 3 + 0 + 643 = 666.
It is not a de Polignac number, because 4025930643 - 24 = 4025930627 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4025930598 and 4025930607.
It is not an unprimeable number, because it can be changed into a prime (4025930647) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 623196 + ... + 629622.
Almost surely, 24025930643 is an apocalyptic number.
4025930643 is a deficient number, since it is larger than the sum of its proper divisors (2771499373).
4025930643 is a wasteful number, since it uses less digits than its factorization.
4025930643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6664 (or 6661 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
The square root of 4025930643 is about 63450.2217726621. The cubic root of 4025930643 is about 1590.8238604515.
The spelling of 4025930643 in words is "four billion, twenty-five million, nine hundred thirty thousand, six hundred forty-three".
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