Base | Representation |
---|---|
bin | 10001100101111001001001… |
… | …01100010010011000000011 |
3 | 12001222021202001210200101200 |
4 | 20302330210230102120003 |
5 | 20032310132310240301 |
6 | 214135453200232243 |
7 | 11101632633446325 |
oct | 1062744454223003 |
9 | 161867661720350 |
10 | 38685386024451 |
11 | 1136541a980841 |
12 | 44095a160b683 |
13 | 187802991161a |
14 | 97a5500b3615 |
15 | 471467d34c86 |
hex | 232f24b12603 |
38685386024451 has 12 divisors (see below), whose sum is σ = 56825990771160. Its totient is φ = 25353134343360.
The previous prime is 38685386024449. The next prime is 38685386024513. The reversal of 38685386024451 is 15442068358683.
38685386024451 is a `hidden beast` number, since 3 + 8 + 6 + 8 + 5 + 386 + 0 + 244 + 5 + 1 = 666.
It is not a de Polignac number, because 38685386024451 - 21 = 38685386024449 is a prime.
It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (38685386024651) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 36426916630 + ... + 36426917691.
It is an arithmetic number, because the mean of its divisors is an integer number (4735499230930).
Almost surely, 238685386024451 is an apocalyptic number.
38685386024451 is a deficient number, since it is larger than the sum of its proper divisors (18140604746709).
38685386024451 is a wasteful number, since it uses less digits than its factorization.
38685386024451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72853834386 (or 72853834383 counting only the distinct ones).
The product of its (nonzero) digits is 132710400, while the sum is 63.
It can be divided in two parts, 3868538 and 6024451, that added together give a palindrome (9892989).
The spelling of 38685386024451 in words is "thirty-eight trillion, six hundred eighty-five billion, three hundred eighty-six million, twenty-four thousand, four hundred fifty-one".
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