Base | Representation |
---|---|
bin | 100110110110011100110… |
… | …101101100001000000000 |
3 | 100110020020101000200021200 |
4 | 212312130311230020000 |
5 | 322220230314322010 |
6 | 5402254132221200 |
7 | 363613165441551 |
oct | 46663465541000 |
9 | 10406211020250 |
10 | 2669806010880 |
11 | 93a292989568 |
12 | 37151476a800 |
13 | 1649b93a7b58 |
14 | 9330da90328 |
15 | 496ab3dccc0 |
hex | 26d9cd6c200 |
2669806010880 has 240 divisors, whose sum is σ = 9337844654424. Its totient is φ = 704898662400.
The previous prime is 2669806010869. The next prime is 2669806010929. The reversal of 2669806010880 is 880106089662.
It is a happy number.
2669806010880 is a `hidden beast` number, since 26 + 6 + 9 + 8 + 0 + 601 + 0 + 8 + 8 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2556877752576 + 112928258304 = 1599024^2 + 336048^2 .
It is a tau number, because it is divible by the number of its divisors (240).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1753392 + ... + 2900688.
Almost surely, 22669806010880 is an apocalyptic number.
2669806010880 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 2669806010880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4668922327212).
2669806010880 is an abundant number, since it is smaller than the sum of its proper divisors (6668038643544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2669806010880 is a wasteful number, since it uses less digits than its factorization.
2669806010880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1147427 (or 1147408 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The spelling of 2669806010880 in words is "two trillion, six hundred sixty-nine billion, eight hundred six million, ten thousand, eight hundred eighty".
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