Base | Representation |
---|---|
bin | 100110110101111110011… |
… | …000000110001100110000 |
3 | 100110011220202100102120000 |
4 | 212311332120012030300 |
5 | 322213204000440010 |
6 | 5402131314150000 |
7 | 363564421413105 |
oct | 46657630061460 |
9 | 10404822312500 |
10 | 2669294936880 |
11 | 93a050449060 |
12 | 3713b1582300 |
13 | 1649375463c0 |
14 | 932a1c54aac |
15 | 4967b5d87c0 |
hex | 26d7e606330 |
2669294936880 has 800 divisors, whose sum is σ = 10965301300800. Its totient is φ = 593285160960.
The previous prime is 2669294936701. The next prime is 2669294936939. The reversal of 2669294936880 is 886394929662.
2669294936880 is a `hidden beast` number, since 2 + 66 + 92 + 9 + 49 + 368 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 2669294936799 and 2669294936808.
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 138059694 + ... + 138079026.
It is an arithmetic number, because the mean of its divisors is an integer number (13706626626).
Almost surely, 22669294936880 is an apocalyptic number.
2669294936880 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 2669294936880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5482650650400).
2669294936880 is an abundant number, since it is smaller than the sum of its proper divisors (8296006363920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2669294936880 is a wasteful number, since it uses less digits than its factorization.
2669294936880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19531 (or 19516 counting only the distinct ones).
The product of its (nonzero) digits is 483729408, while the sum is 72.
The spelling of 2669294936880 in words is "two trillion, six hundred sixty-nine billion, two hundred ninety-four million, nine hundred thirty-six thousand, eight hundred eighty".
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