Base | Representation |
---|---|
bin | 1011010011101011000… |
… | …10011000011011011100 |
3 | 1101010211120001100002212 |
4 | 11221311202120123130 |
5 | 22331141331110433 |
6 | 454252210335552 |
7 | 40032602021042 |
oct | 5516542303334 |
9 | 1333746040085 |
10 | 388519003868 |
11 | 13a851938046 |
12 | 6336a28a5b8 |
13 | 2a838b837c8 |
14 | 14b39486392 |
15 | a18d9e6d48 |
hex | 5a758986dc |
388519003868 has 12 divisors (see below), whose sum is σ = 679945601160. Its totient is φ = 194248832112.
The previous prime is 388519003861. The next prime is 388519003871. The reversal of 388519003868 is 868300915883.
It is a super-2 number, since 2×3885190038682 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388519003861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585246 + ... + 2731397.
It is an arithmetic number, because the mean of its divisors is an integer number (56662133430).
Almost surely, 2388519003868 is an apocalyptic number.
It is an amenable number.
388519003868 is a deficient number, since it is larger than the sum of its proper divisors (291426597292).
388519003868 is a wasteful number, since it uses less digits than its factorization.
388519003868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5334916 (or 5334914 counting only the distinct ones).
The product of its (nonzero) digits is 9953280, while the sum is 59.
The spelling of 388519003868 in words is "three hundred eighty-eight billion, five hundred nineteen million, three thousand, eight hundred sixty-eight".
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