Base | Representation |
---|---|
bin | 11001011011111100… |
… | …101110111001010000 |
3 | 2121111110012021102220 |
4 | 121123330232321100 |
5 | 421413441414102 |
6 | 20314104341040 |
7 | 1654554001320 |
oct | 313374567120 |
9 | 77443167386 |
10 | 27312451152 |
11 | 10646191888 |
12 | 5362a74780 |
13 | 276364aacc |
14 | 1471537280 |
15 | a9cc031bc |
hex | 65bf2ee50 |
27312451152 has 80 divisors (see below), whose sum is σ = 80659837440. Its totient is φ = 7801324416.
The previous prime is 27312451139. The next prime is 27312451183. The reversal of 27312451152 is 25115421372.
It is a happy number.
It is a super-2 number, since 2×273124511522 (a number of 22 digits) contains 22 as substring.
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, 1429599 + ... + 1448577.
It is an arithmetic number, because the mean of its divisors is an integer number (1008247968).
Almost surely, 227312451152 is an apocalyptic number.
It is an amenable number.
27312451152 is an abundant number, since it is smaller than the sum of its proper divisors (53347386288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27312451152 is a wasteful number, since it uses less digits than its factorization.
27312451152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23280 (or 23274 counting only the distinct ones).
The product of its digits is 16800, while the sum is 33.
The spelling of 27312451152 in words is "twenty-seven billion, three hundred twelve million, four hundred fifty-one thousand, one hundred fifty-two".
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