Base | Representation |
---|---|
bin | 11001001010000100… |
… | …011001100000011000 |
3 | 2120201112201200202210 |
4 | 121022010121200120 |
5 | 420310143031213 |
6 | 20224230555120 |
7 | 1644252133131 |
oct | 311204314030 |
9 | 76645650683 |
10 | 27012470808 |
11 | 10501921144 |
12 | 529a508aa0 |
13 | 2716458c4b |
14 | 144376ac88 |
15 | a816ea0c3 |
hex | 64a119818 |
27012470808 has 16 divisors (see below), whose sum is σ = 67531177080. Its totient is φ = 9004156928.
The previous prime is 27012470801. The next prime is 27012470813. The reversal of 27012470808 is 80807421072.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27012470801) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562759785 + ... + 562759832.
Almost surely, 227012470808 is an apocalyptic number.
It is an amenable number.
27012470808 is an abundant number, since it is smaller than the sum of its proper divisors (40518706272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27012470808 is a wasteful number, since it uses less digits than its factorization.
27012470808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1125519626 (or 1125519622 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 39.
The spelling of 27012470808 in words is "twenty-seven billion, twelve million, four hundred seventy thousand, eight hundred eight".
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