Base | Representation |
---|---|
bin | 111100111101110010… |
… | …0001000010110111100 |
3 | 110111221012000011101100 |
4 | 1321323210020112330 |
5 | 4121112023302433 |
6 | 140051134413100 |
7 | 12313241246115 |
oct | 1717344102674 |
9 | 414835004340 |
10 | 130922087868 |
11 | 50584118420 |
12 | 21459661190 |
13 | c465c32a60 |
14 | 649db3520c |
15 | 3613ca4b13 |
hex | 1e7b9085bc |
130922087868 has 144 divisors (see below), whose sum is σ = 389079355392. Its totient is φ = 36595152000.
The previous prime is 130922087843. The next prime is 130922087873. The reversal of 130922087868 is 868780229031.
It is a happy number.
130922087868 is a `hidden beast` number, since 1 + 309 + 2 + 208 + 78 + 68 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7770213 + ... + 7787043.
It is an arithmetic number, because the mean of its divisors is an integer number (2701939968).
Almost surely, 2130922087868 is an apocalyptic number.
130922087868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130922087868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194539677696).
130922087868 is an abundant number, since it is smaller than the sum of its proper divisors (258157267524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130922087868 is a wasteful number, since it uses less digits than its factorization.
130922087868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18376 (or 18371 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 130922087868 in words is "one hundred thirty billion, nine hundred twenty-two million, eighty-seven thousand, eight hundred sixty-eight".
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