Base | Representation |
---|---|
bin | 11000000010001110… |
… | …10110011011011000 |
3 | 1020022021102002201110 |
4 | 30001013112123120 |
5 | 202411310342401 |
6 | 5532225020320 |
7 | 634522561332 |
oct | 140107263330 |
9 | 36267362643 |
10 | 12903605976 |
11 | 5521827178 |
12 | 26014846a0 |
13 | 12a8421611 |
14 | 8a5a36452 |
15 | 507c609d6 |
hex | 3011d66d8 |
12903605976 has 64 divisors (see below), whose sum is σ = 32969664000. Its totient is φ = 4206584448.
The previous prime is 12903605969. The next prime is 12903605987. The reversal of 12903605976 is 67950630921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1913106 + ... + 1919838.
It is an arithmetic number, because the mean of its divisors is an integer number (515151000).
Almost surely, 212903605976 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12903605976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16484832000).
12903605976 is an abundant number, since it is smaller than the sum of its proper divisors (20066058024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12903605976 is a wasteful number, since it uses less digits than its factorization.
12903605976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8488 (or 8484 counting only the distinct ones).
The product of its (nonzero) digits is 612360, while the sum is 48.
The spelling of 12903605976 in words is "twelve billion, nine hundred three million, six hundred five thousand, nine hundred seventy-six".
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