Base | Representation |
---|---|
bin | 1111000010000100010… |
… | …0111001111001110110 |
3 | 220200121002112020212111 |
4 | 3300201010321321312 |
5 | 13212400230043023 |
6 | 314350105241234 |
7 | 24441515016364 |
oct | 3604104717166 |
9 | 820532466774 |
10 | 258252971638 |
11 | 9a585084a72 |
12 | 4207449321a |
13 | 1b478b4516c |
14 | c6dc92a634 |
15 | 6ab763400d |
hex | 3c21139e76 |
258252971638 has 16 divisors (see below), whose sum is σ = 394212729456. Its totient is φ = 126865919520.
The previous prime is 258252971611. The next prime is 258252971659. The reversal of 258252971638 is 836179252852.
258252971638 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 an unprimeable number.
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, 4267581 + ... + 4327672.
It is an arithmetic number, because the mean of its divisors is an integer number (24638295591).
Almost surely, 2258252971638 is an apocalyptic number.
258252971638 is a deficient number, since it is larger than the sum of its proper divisors (135959757818).
258252971638 is a wasteful number, since it uses less digits than its factorization.
258252971638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8595519.
The product of its digits is 14515200, while the sum is 58.
The spelling of 258252971638 in words is "two hundred fifty-eight billion, two hundred fifty-two million, nine hundred seventy-one thousand, six hundred thirty-eight".
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