Base | Representation |
---|---|
bin | 100100001010011011… |
… | …011110010001011011 |
3 | 10201020002220002212110 |
4 | 210022123132101123 |
5 | 1114010344222312 |
6 | 25501010443403 |
7 | 2543143555200 |
oct | 441233362133 |
9 | 121202802773 |
10 | 38829679707 |
11 | 15516384095 |
12 | 7637b93563 |
13 | 387a780350 |
14 | 1c44da5ca7 |
15 | 1023db043c |
hex | 90a6de45b |
38829679707 has 96 divisors (see below), whose sum is σ = 69141273600. Its totient is φ = 19156580352.
The previous prime is 38829679699. The next prime is 38829679729. The reversal of 38829679707 is 70797692883.
38829679707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38829679707 - 23 = 38829679699 is a prime.
It is a super-2 number, since 2×388296797072 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (38829679307) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2861643 + ... + 2875179.
It is an arithmetic number, because the mean of its divisors is an integer number (720221600).
Almost surely, 238829679707 is an apocalyptic number.
38829679707 is a deficient number, since it is larger than the sum of its proper divisors (30311593893).
38829679707 is a wasteful number, since it uses less digits than its factorization.
38829679707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13665 (or 13658 counting only the distinct ones).
The product of its (nonzero) digits is 64012032, while the sum is 66.
The spelling of 38829679707 in words is "thirty-eight billion, eight hundred twenty-nine million, six hundred seventy-nine thousand, seven hundred seven".
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