Base | Representation |
---|---|
bin | 100100000111100000… |
… | …001000000111000010 |
3 | 10201002200110222021102 |
4 | 210013200020013002 |
5 | 1113410311134002 |
6 | 25452054054402 |
7 | 2542006250321 |
oct | 440740100702 |
9 | 121080428242 |
10 | 38780568002 |
11 | 154a068a800 |
12 | 762364a402 |
13 | 3870546377 |
14 | 1c3c6600b8 |
15 | 101e90da02 |
hex | 9078081c2 |
38780568002 has 18 divisors (see below), whose sum is σ = 63944913459. Its totient is φ = 17626138420.
The previous prime is 38780567999. The next prime is 38780568023. The reversal of 38780568002 is 20086508783.
It can be written as a sum of positive squares in only one way, i.e., 19390284001 + 19390284001 = 139249^2 + 139249^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=139249.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3057149 + ... + 3069807.
Almost surely, 238780568002 is an apocalyptic number.
38780568002 is a deficient number, since it is larger than the sum of its proper divisors (25164345457).
38780568002 is an frugal number, since it uses more digits than its factorization.
38780568002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25342 (or 12672 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 47.
The spelling of 38780568002 in words is "thirty-eight billion, seven hundred eighty million, five hundred sixty-eight thousand, two".
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