Base | Representation |
---|---|
bin | 100100001111111111… |
… | …010011011000111101 |
3 | 10201110121102011011202 |
4 | 210033333103120331 |
5 | 1114203234132042 |
6 | 25514142025245 |
7 | 2545355454551 |
oct | 441777233075 |
9 | 121417364152 |
10 | 38922958397 |
11 | 15563aa4814 |
12 | 7663278225 |
13 | 3893bac73b |
14 | 1c53527861 |
15 | 102c188632 |
hex | 90ffd363d |
38922958397 has 16 divisors (see below), whose sum is σ = 42444103680. Its totient is φ = 35591064432.
The previous prime is 38922958387. The next prime is 38922958411. The reversal of 38922958397 is 79385922983.
It is not a de Polignac number, because 38922958397 - 210 = 38922957373 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 (38922958357) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372197 + ... + 465162.
It is an arithmetic number, because the mean of its divisors is an integer number (2652756480).
Almost surely, 238922958397 is an apocalyptic number.
It is an amenable number.
38922958397 is a deficient number, since it is larger than the sum of its proper divisors (3521145283).
38922958397 is a wasteful number, since it uses less digits than its factorization.
38922958397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 837472.
The product of its digits is 58786560, while the sum is 65.
The spelling of 38922958397 in words is "thirty-eight billion, nine hundred twenty-two million, nine hundred fifty-eight thousand, three hundred ninety-seven".
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