Base | Representation |
---|---|
bin | 1011010100010110101… |
… | …10100011000011101011 |
3 | 1101011210001201212222222 |
4 | 11222023112203003223 |
5 | 22332414030003202 |
6 | 454352403104255 |
7 | 40044634651310 |
oct | 5521326430353 |
9 | 1334701655888 |
10 | 388885000427 |
11 | 13aa1a498740 |
12 | 6345097208b |
13 | 2a89694ab11 |
14 | 14b71d18d07 |
15 | a1b0be04a2 |
hex | 5a8b5a30eb |
388885000427 has 32 divisors (see below), whose sum is σ = 487307888640. Its totient is φ = 301489413120.
The previous prime is 388885000349. The next prime is 388885000447. The reversal of 388885000427 is 724000588883.
It is not a de Polignac number, because 388885000427 - 210 = 388884999403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (388885000447) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21945923 + ... + 21963635.
It is an arithmetic number, because the mean of its divisors is an integer number (15228371520).
Almost surely, 2388885000427 is an apocalyptic number.
388885000427 is a deficient number, since it is larger than the sum of its proper divisors (98422888213).
388885000427 is a wasteful number, since it uses less digits than its factorization.
388885000427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19163.
The product of its (nonzero) digits is 3440640, while the sum is 53.
The spelling of 388885000427 in words is "three hundred eighty-eight billion, eight hundred eighty-five million, four hundred twenty-seven", and thus it is an aban number.
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