Base | Representation |
---|---|
bin | 11101001001011001… |
… | …010101101011100101 |
3 | 2222210002020011020202 |
4 | 131021121111223211 |
5 | 1003043303301440 |
6 | 22213253040245 |
7 | 2155355613353 |
oct | 351131255345 |
9 | 88702204222 |
10 | 31296150245 |
11 | 122aa951988 |
12 | 6095026085 |
13 | 2c49a829c9 |
14 | 172c6467d3 |
15 | c32808615 |
hex | 749655ae5 |
31296150245 has 4 divisors (see below), whose sum is σ = 37555380300. Its totient is φ = 25036920192.
The previous prime is 31296150089. The next prime is 31296150287. The reversal of 31296150245 is 54205169213.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9580885924 + 21715264321 = 97882^2 + 147361^2 .
It is a cyclic number.
It is not a de Polignac number, because 31296150245 - 222 = 31291955941 is a prime.
It is a super-2 number, since 2×312961502452 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31296150199 and 31296150208.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 3129615020 + ... + 3129615029.
It is an arithmetic number, because the mean of its divisors is an integer number (9388845075).
Almost surely, 231296150245 is an apocalyptic number.
It is an amenable number.
31296150245 is a deficient number, since it is larger than the sum of its proper divisors (6259230055).
31296150245 is an equidigital number, since it uses as much as digits as its factorization.
31296150245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6259230054.
The product of its (nonzero) digits is 64800, while the sum is 38.
The spelling of 31296150245 in words is "thirty-one billion, two hundred ninety-six million, one hundred fifty thousand, two hundred forty-five".
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