Base | Representation |
---|---|
bin | 11001000110111011… |
… | …110010101010101000 |
3 | 2120120212202221202020 |
4 | 121012323302222220 |
5 | 420203212223140 |
6 | 20215111504440 |
7 | 1643043136515 |
oct | 310673625250 |
9 | 76525687666 |
10 | 26959882920 |
11 | 10485173083 |
12 | 5284988120 |
13 | 27085a5959 |
14 | 143a79c30c |
15 | a7bcad6d0 |
hex | 646ef2aa8 |
26959882920 has 128 divisors (see below), whose sum is σ = 82923402240. Its totient is φ = 7007938560.
The previous prime is 26959882907. The next prime is 26959882949. The reversal of 26959882920 is 2928895962.
It is a Harshad number since it is a multiple of its sum of digits (60).
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, 10542282 + ... + 10544838.
It is an arithmetic number, because the mean of its divisors is an integer number (647839080).
Almost surely, 226959882920 is an apocalyptic number.
26959882920 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 26959882920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41461701120).
26959882920 is an abundant number, since it is smaller than the sum of its proper divisors (55963519320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26959882920 is a wasteful number, since it uses less digits than its factorization.
26959882920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4755 (or 4751 counting only the distinct ones).
The product of its (nonzero) digits is 11197440, while the sum is 60.
The spelling of 26959882920 in words is "twenty-six billion, nine hundred fifty-nine million, eight hundred eighty-two thousand, nine hundred twenty".
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