Base | Representation |
---|---|
bin | 1011010101010001110… |
… | …01110101000011001101 |
3 | 1101020001121122112021120 |
4 | 11222220321311003031 |
5 | 22334422440212204 |
6 | 454513513351153 |
7 | 40063135043343 |
oct | 5525071650315 |
9 | 1336047575246 |
10 | 389380788429 |
11 | 140154338596 |
12 | 6356aa084b9 |
13 | 2a9455899b9 |
14 | 14bbbad5993 |
15 | a1de4c56d9 |
hex | 5aa8e750cd |
389380788429 has 8 divisors (see below), whose sum is σ = 519766377120. Its totient is φ = 259291196016.
The previous prime is 389380788427. The next prime is 389380788449. The reversal of 389380788429 is 924887083983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 389380788429 - 21 = 389380788427 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389380788427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73995999 + ... + 74001260.
It is an arithmetic number, because the mean of its divisors is an integer number (64970797140).
Almost surely, 2389380788429 is an apocalyptic number.
It is an amenable number.
389380788429 is a deficient number, since it is larger than the sum of its proper divisors (130385588691).
389380788429 is a wasteful number, since it uses less digits than its factorization.
389380788429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147998139.
The product of its (nonzero) digits is 167215104, while the sum is 69.
The spelling of 389380788429 in words is "three hundred eighty-nine billion, three hundred eighty million, seven hundred eighty-eight thousand, four hundred twenty-nine".
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