Base | Representation |
---|---|
bin | 11001111010011110… |
… | …01111101000110000 |
3 | 1022220120110111010202 |
4 | 30331033033220300 |
5 | 211443022331042 |
6 | 10220301014332 |
7 | 1001521445342 |
oct | 147517175060 |
9 | 38816414122 |
10 | 13912308272 |
11 | 599a154135 |
12 | 28432543a8 |
13 | 14093b7795 |
14 | 95d9ab292 |
15 | 5665b0632 |
hex | 33d3cfa30 |
13912308272 has 80 divisors (see below), whose sum is σ = 28929398400. Its totient is φ = 6468833280.
The previous prime is 13912308257. The next prime is 13912308283. The reversal of 13912308272 is 27280321931.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498268 + ... + 1507524.
It is an arithmetic number, because the mean of its divisors is an integer number (361617480).
Almost surely, 213912308272 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 13912308272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14464699200).
13912308272 is an abundant number, since it is smaller than the sum of its proper divisors (15017090128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13912308272 is a wasteful number, since it uses less digits than its factorization.
13912308272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9414 (or 9408 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 38.
The spelling of 13912308272 in words is "thirteen billion, nine hundred twelve million, three hundred eight thousand, two hundred seventy-two".
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