Base | Representation |
---|---|
bin | 11101001001100110… |
… | …100011001001010011 |
3 | 2222210022202002121211 |
4 | 131021212203021103 |
5 | 1003100200111032 |
6 | 22213455200551 |
7 | 2155430215546 |
oct | 351146431123 |
9 | 88708662554 |
10 | 31299613267 |
11 | 123018a778a |
12 | 6096216157 |
13 | 2c4a6c6030 |
14 | 172cca885d |
15 | c32c8e747 |
hex | 7499a3253 |
31299613267 has 8 divisors (see below), whose sum is σ = 33708662624. Its totient is φ = 28890762048.
The previous prime is 31299613243. The next prime is 31299613277. The reversal of 31299613267 is 76231699213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31299613267 - 211 = 31299611219 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31299613267.
It is not an unprimeable number, because it can be changed into a prime (31299613217) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 528178 + ... + 584440.
It is an arithmetic number, because the mean of its divisors is an integer number (4213582828).
Almost surely, 231299613267 is an apocalyptic number.
31299613267 is a deficient number, since it is larger than the sum of its proper divisors (2409049357).
31299613267 is a wasteful number, since it uses less digits than its factorization.
31299613267 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99069.
The product of its digits is 734832, while the sum is 49.
The spelling of 31299613267 in words is "thirty-one billion, two hundred ninety-nine million, six hundred thirteen thousand, two hundred sixty-seven".
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