Base | Representation |
---|---|
bin | 100100001111011110… |
… | …100000101110000010 |
3 | 10201110000020102110122 |
4 | 210033132200232002 |
5 | 1114144034042432 |
6 | 25513233500242 |
7 | 2545222423100 |
oct | 441736405602 |
9 | 121400212418 |
10 | 38914362242 |
11 | 1555a163358 |
12 | 7660411682 |
13 | 389218cb62 |
14 | 1c5232ac70 |
15 | 102b53b612 |
hex | 90f7a0b82 |
38914362242 has 18 divisors (see below), whose sum is σ = 67904998947. Its totient is φ = 16676746884.
The previous prime is 38914362233. The next prime is 38914362247. The reversal of 38914362242 is 24226341983.
It can be written as a sum of positive squares in only one way, i.e., 19457181121 + 19457181121 = 139489^2 + 139489^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=139489.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38914362193 and 38914362202.
It is not an unprimeable number, because it can be changed into a prime (38914362247) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1942883 + ... + 1962809.
Almost surely, 238914362242 is an apocalyptic number.
38914362242 is a deficient number, since it is larger than the sum of its proper divisors (28990636705).
38914362242 is an frugal number, since it uses more digits than its factorization.
38914362242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39870 (or 19936 counting only the distinct ones).
The product of its digits is 497664, while the sum is 44.
The spelling of 38914362242 in words is "thirty-eight billion, nine hundred fourteen million, three hundred sixty-two thousand, two hundred forty-two".
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