Base | Representation |
---|---|
bin | 11001011100000000… |
… | …101110110011110100 |
3 | 2121111112011112100011 |
4 | 121130000232303310 |
5 | 421414223440010 |
6 | 20314143030004 |
7 | 1654565625346 |
oct | 313400566364 |
9 | 77445145304 |
10 | 27313499380 |
11 | 10646838392 |
12 | 536329b304 |
13 | 2763926c6b |
14 | 147172b296 |
15 | a9cd5da8a |
hex | 65c02ecf4 |
27313499380 has 48 divisors (see below), whose sum is σ = 58955871744. Its totient is φ = 10623392640.
The previous prime is 27313499377. The next prime is 27313499393. The reversal of 27313499380 is 8399431372.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120570 + ... + 262990.
It is an arithmetic number, because the mean of its divisors is an integer number (1228247328).
Almost surely, 227313499380 is an apocalyptic number.
27313499380 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 27313499380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29477935872).
27313499380 is an abundant number, since it is smaller than the sum of its proper divisors (31642372364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27313499380 is a wasteful number, since it uses less digits than its factorization.
27313499380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142696 (or 142694 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 49.
The spelling of 27313499380 in words is "twenty-seven billion, three hundred thirteen million, four hundred ninety-nine thousand, three hundred eighty".
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