Base | Representation |
---|---|
bin | 1010111110101000110… |
… | …1100011000010001101 |
3 | 200000211202122211210001 |
4 | 2233222031203002031 |
5 | 11042234412414040 |
6 | 222351515244301 |
7 | 16425002110030 |
oct | 2575215430215 |
9 | 600752584701 |
10 | 188613013645 |
11 | 72a99146881 |
12 | 3067a149691 |
13 | 14a2b18b724 |
14 | 91b3a77017 |
15 | 4d8d94259a |
hex | 2bea36308d |
188613013645 has 16 divisors (see below), whose sum is σ = 258695468928. Its totient is φ = 129321541440.
The previous prime is 188613013613. The next prime is 188613013663. The reversal of 188613013645 is 546310316881.
It is a happy number.
188613013645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 188613013645 - 25 = 188613013613 is a prime.
It is a super-3 number, since 3×1886130136453 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 188613013595 and 188613013604.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84322 + ... + 619948.
It is an arithmetic number, because the mean of its divisors is an integer number (16168466808).
Almost surely, 2188613013645 is an apocalyptic number.
It is an amenable number.
188613013645 is a deficient number, since it is larger than the sum of its proper divisors (70082455283).
188613013645 is a wasteful number, since it uses less digits than its factorization.
188613013645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 545700.
The product of its (nonzero) digits is 414720, while the sum is 46.
The spelling of 188613013645 in words is "one hundred eighty-eight billion, six hundred thirteen million, thirteen thousand, six hundred forty-five".
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