Base | Representation |
---|---|
bin | 1011010100011011010… |
… | …00000101100000001111 |
3 | 1101011212201112012122222 |
4 | 11222031220011200033 |
5 | 22333003311334044 |
6 | 454400244525555 |
7 | 40045610151455 |
oct | 5521550054017 |
9 | 1334781465588 |
10 | 388923152399 |
11 | 13aa39a868a1 |
12 | 634616b08bb |
13 | 2a8a1818452 |
14 | 14b7700a9d5 |
15 | a1b42298ee |
hex | 5a8da0580f |
388923152399 has 8 divisors (see below), whose sum is σ = 392011595568. Its totient is φ = 385838326720.
The previous prime is 388923152393. The next prime is 388923152413. The reversal of 388923152399 is 993251329883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-388923152399 is a prime.
It is a super-2 number, since 2×3889231523992 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388923152393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688292 + ... + 1118745.
It is an arithmetic number, because the mean of its divisors is an integer number (49001449446).
Almost surely, 2388923152399 is an apocalyptic number.
388923152399 is a deficient number, since it is larger than the sum of its proper divisors (3088443169).
388923152399 is a wasteful number, since it uses less digits than its factorization.
388923152399 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1808745.
The product of its digits is 25194240, while the sum is 62.
The spelling of 388923152399 in words is "three hundred eighty-eight billion, nine hundred twenty-three million, one hundred fifty-two thousand, three hundred ninety-nine".
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