Base | Representation |
---|---|
bin | 11001000001110101… |
… | …011111000100000000 |
3 | 2120100220211002222020 |
4 | 121001311133010000 |
5 | 420014312444210 |
6 | 20202414241440 |
7 | 1640654103132 |
oct | 310165370400 |
9 | 76326732866 |
10 | 26874343680 |
11 | 10440959198 |
12 | 52601b6280 |
13 | 26c3956212 |
14 | 142d293052 |
15 | a74513770 |
hex | 641d5f100 |
26874343680 has 144 divisors (see below), whose sum is σ = 85965734400. Its totient is φ = 7155154944.
The previous prime is 26874343637. The next prime is 26874343687. The reversal of 26874343680 is 8634347862.
It is not an unprimeable number, because it can be changed into a prime (26874343687) 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, 2579121 + ... + 2589519.
Almost surely, 226874343680 is an apocalyptic number.
26874343680 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 26874343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42982867200).
26874343680 is an abundant number, since it is smaller than the sum of its proper divisors (59091390720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26874343680 is a wasteful number, since it uses less digits than its factorization.
26874343680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11096 (or 11082 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 51.
The spelling of 26874343680 in words is "twenty-six billion, eight hundred seventy-four million, three hundred forty-three thousand, six hundred eighty".
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