Base | Representation |
---|---|
bin | 11000100110010111… |
… | …011101011011111100 |
3 | 2112011210122012122110 |
4 | 120212113131123330 |
5 | 413043323102433 |
6 | 20044552414020 |
7 | 1623356641155 |
oct | 304627353374 |
9 | 75153565573 |
10 | 26413487868 |
11 | 102247a8419 |
12 | 51519a7310 |
13 | 264c328281 |
14 | 13c7daa92c |
15 | a48d2d963 |
hex | 6265dd6fc |
26413487868 has 48 divisors (see below), whose sum is σ = 67695909120. Its totient is φ = 7978443264.
The previous prime is 26413487861. The next prime is 26413487869. The reversal of 26413487868 is 86878431462.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26413487861) 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, 2513205 + ... + 2523692.
It is an arithmetic number, because the mean of its divisors is an integer number (1410331440).
Almost surely, 226413487868 is an apocalyptic number.
It is an amenable number.
26413487868 is an abundant number, since it is smaller than the sum of its proper divisors (41282421252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26413487868 is a wasteful number, since it uses less digits than its factorization.
26413487868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5036946 (or 5036944 counting only the distinct ones).
The product of its digits is 12386304, while the sum is 57.
The spelling of 26413487868 in words is "twenty-six billion, four hundred thirteen million, four hundred eighty-seven thousand, eight hundred sixty-eight".
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