Base | Representation |
---|---|
bin | 1011010101010001101… |
… | …11101001000001011111 |
3 | 1101020001120120101111222 |
4 | 11222220313221001133 |
5 | 22334422313334004 |
6 | 454513453203555 |
7 | 40063130134235 |
oct | 5525067510137 |
9 | 1336046511458 |
10 | 389380214879 |
11 | 140153a86687 |
12 | 6356a7905bb |
13 | 2a945418916 |
14 | 14bbb9c6955 |
15 | a1de4107be |
hex | 5aa8de905f |
389380214879 has 2 divisors, whose sum is σ = 389380214880. Its totient is φ = 389380214878.
The previous prime is 389380214837. The next prime is 389380214893. The reversal of 389380214879 is 978412083983.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 389380214879 - 212 = 389380210783 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389380213879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194690107439 + 194690107440.
It is an arithmetic number, because the mean of its divisors is an integer number (194690107440).
Almost surely, 2389380214879 is an apocalyptic number.
389380214879 is a deficient number, since it is larger than the sum of its proper divisors (1).
389380214879 is an equidigital number, since it uses as much as digits as its factorization.
389380214879 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20901888, while the sum is 62.
The spelling of 389380214879 in words is "three hundred eighty-nine billion, three hundred eighty million, two hundred fourteen thousand, eight hundred seventy-nine".
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