Base | Representation |
---|---|
bin | 100000000101001010… |
… | …0001111001111001101 |
3 | 20120211020111100211002 |
4 | 1000022110033033031 |
5 | 2112042443213224 |
6 | 51352050310045 |
7 | 4656136022444 |
oct | 1001224171715 |
9 | 216736440732 |
10 | 68892554189 |
11 | 272430616a8 |
12 | 11427b88325 |
13 | 665bb8a884 |
14 | 34978d9d5b |
15 | 1bd32a89ae |
hex | 100a50f3cd |
68892554189 has 16 divisors (see below), whose sum is σ = 74947669632. Its totient is φ = 63150255168.
The previous prime is 68892554153. The next prime is 68892554201. The reversal of 68892554189 is 98145529886.
It is a cyclic number.
It is not a de Polignac number, because 68892554189 - 224 = 68875776973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68892554389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604742 + ... + 709575.
It is an arithmetic number, because the mean of its divisors is an integer number (4684229352).
Almost surely, 268892554189 is an apocalyptic number.
It is an amenable number.
68892554189 is a deficient number, since it is larger than the sum of its proper divisors (6055115443).
68892554189 is a wasteful number, since it uses less digits than its factorization.
68892554189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1314436.
The product of its digits is 49766400, while the sum is 65.
The spelling of 68892554189 in words is "sixty-eight billion, eight hundred ninety-two million, five hundred fifty-four thousand, one hundred eighty-nine".
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