Base | Representation |
---|---|
bin | 11000110100011000… |
… | …110000110101010000 |
3 | 2112210012020202102001 |
4 | 120310120300311100 |
5 | 414034032213410 |
6 | 20124154203344 |
7 | 1632244205320 |
oct | 306430606520 |
9 | 75705222361 |
10 | 26648710480 |
11 | 10335558677 |
12 | 51b8723554 |
13 | 2688c95752 |
14 | 140b31b280 |
15 | a5e7e433a |
hex | 634630d50 |
26648710480 has 80 divisors (see below), whose sum is σ = 72316085760. Its totient is φ = 8942294016.
The previous prime is 26648710463. The next prime is 26648710489. The reversal of 26648710480 is 8401784662.
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 26648710480.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26648710489) 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, 479925 + ... + 532564.
It is an arithmetic number, because the mean of its divisors is an integer number (903951072).
Almost surely, 226648710480 is an apocalyptic number.
26648710480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
26648710480 is an abundant number, since it is smaller than the sum of its proper divisors (45667375280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26648710480 is a wasteful number, since it uses less digits than its factorization.
26648710480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1012556 (or 1012550 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 46.
The spelling of 26648710480 in words is "twenty-six billion, six hundred forty-eight million, seven hundred ten thousand, four hundred eighty".
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