Base | Representation |
---|---|
bin | 1011010100010110111… |
… | …01101111010010110000 |
3 | 1101011210012021122220102 |
4 | 11222023131233102300 |
5 | 22332420020314202 |
6 | 454352511331532 |
7 | 40044656662304 |
oct | 5521335572260 |
9 | 1334705248812 |
10 | 388886885552 |
11 | 13aa20565aa0 |
12 | 63451520ba8 |
13 | 2a89715ab89 |
14 | 14b72289d04 |
15 | a1b0e63d02 |
hex | 5a8b76f4b0 |
388886885552 has 40 divisors (see below), whose sum is σ = 831201063120. Its totient is φ = 174780615680.
The previous prime is 388886885509. The next prime is 388886885591. The reversal of 388886885552 is 255588688883.
It is a self number, because there is not a number n which added to its sum of digits gives 388886885552.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12397733 + ... + 12429060.
It is an arithmetic number, because the mean of its divisors is an integer number (20780026578).
Almost surely, 2388886885552 is an apocalyptic number.
It is an amenable number.
388886885552 is an abundant number, since it is smaller than the sum of its proper divisors (442314177568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388886885552 is a wasteful number, since it uses less digits than its factorization.
388886885552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24826901 (or 24826895 counting only the distinct ones).
The product of its digits is 1179648000, while the sum is 74.
The spelling of 388886885552 in words is "three hundred eighty-eight billion, eight hundred eighty-six million, eight hundred eighty-five thousand, five hundred fifty-two".
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