Base | Representation |
---|---|
bin | 100111001111100… |
… | …1110001001101000 |
3 | 10101202210201222201 |
4 | 1032133032021220 |
5 | 10144100313042 |
6 | 334355425544 |
7 | 44426451154 |
oct | 11637161150 |
9 | 3352721881 |
10 | 1316807272 |
11 | 616337880 |
12 | 308bb52b4 |
13 | 17ca71101 |
14 | c6c58064 |
15 | 7a9101b7 |
hex | 4e7ce268 |
1316807272 has 32 divisors (see below), whose sum is σ = 2750785920. Its totient is φ = 585811840.
The previous prime is 1316807269. The next prime is 1316807273. The reversal of 1316807272 is 2727086131.
It is not an unprimeable number, because it can be changed into a prime (1316807273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155053 + ... + 163324.
It is an arithmetic number, because the mean of its divisors is an integer number (85962060).
Almost surely, 21316807272 is an apocalyptic number.
It is an amenable number.
1316807272 is an abundant number, since it is smaller than the sum of its proper divisors (1433978648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1316807272 is a wasteful number, since it uses less digits than its factorization.
1316807272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318441 (or 318437 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 1316807272 is about 36287.8391751286. The cubic root of 1316807272 is about 1096.0761775066.
The spelling of 1316807272 in words is "one billion, three hundred sixteen million, eight hundred seven thousand, two hundred seventy-two".
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