Base | Representation |
---|---|
bin | 100100101011111010… |
… | …011000011101011000 |
3 | 10202200020221000001221 |
4 | 210223322120131120 |
5 | 1121133201233423 |
6 | 30032435021424 |
7 | 2563104430444 |
oct | 445372303530 |
9 | 122606830057 |
10 | 39391430488 |
11 | 15784487833 |
12 | 777413a874 |
13 | 3939c76267 |
14 | 1c99833824 |
15 | 1058374e5d |
hex | 92be98758 |
39391430488 has 16 divisors (see below), whose sum is σ = 74440500480. Its totient is φ = 19540630368.
The previous prime is 39391430483. The next prime is 39391430489. The reversal of 39391430488 is 88403419393.
39391430488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39391430483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19384531 + ... + 19386562.
It is an arithmetic number, because the mean of its divisors is an integer number (4652531280).
Almost surely, 239391430488 is an apocalyptic number.
It is an amenable number.
39391430488 is a deficient number, since it is larger than the sum of its proper divisors (35049069992).
39391430488 is a wasteful number, since it uses less digits than its factorization.
39391430488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38771226 (or 38771222 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 52.
The spelling of 39391430488 in words is "thirty-nine billion, three hundred ninety-one million, four hundred thirty thousand, four hundred eighty-eight".
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