Base | Representation |
---|---|
bin | 1111000100101111011… |
… | …1111000101110111100 |
3 | 220202110010120211011101 |
4 | 3301023313320232330 |
5 | 13220333032314020 |
6 | 314545234502444 |
7 | 24465354001150 |
oct | 3611367705674 |
9 | 822403524141 |
10 | 258970979260 |
11 | 9a9134037a4 |
12 | 42234a34a24 |
13 | 1b56181ab46 |
14 | c76a031060 |
15 | 6b0a6b200a |
hex | 3c4bdf8bbc |
258970979260 has 96 divisors (see below), whose sum is σ = 656789898240. Its totient is φ = 83789365248.
The previous prime is 258970979249. The next prime is 258970979287. The reversal of 258970979260 is 62979079852.
It is a junction number, because it is equal to n+sod(n) for n = 258970979192 and 258970979201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494209 + ... + 873031.
It is an arithmetic number, because the mean of its divisors is an integer number (6841561440).
Almost surely, 2258970979260 is an apocalyptic number.
258970979260 is a gapful number since it is divisible by the number (20) 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 258970979260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328394949120).
258970979260 is an abundant number, since it is smaller than the sum of its proper divisors (397818918980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258970979260 is a wasteful number, since it uses less digits than its factorization.
258970979260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379115 (or 379113 counting only the distinct ones).
The product of its (nonzero) digits is 34292160, while the sum is 64.
The spelling of 258970979260 in words is "two hundred fifty-eight billion, nine hundred seventy million, nine hundred seventy-nine thousand, two hundred sixty".
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