Base | Representation |
---|---|
bin | 10010111001011010… |
… | …01001001110101011 |
3 | 222012001010020212111 |
4 | 21130231021032223 |
5 | 131234142211442 |
6 | 4354412223151 |
7 | 506260252441 |
oct | 113455111653 |
9 | 28161106774 |
10 | 10145272747 |
11 | 4336818635 |
12 | 1b7176aab7 |
13 | c58b2278c |
14 | 6c357ab91 |
15 | 3e5a06b17 |
hex | 25cb493ab |
10145272747 has 4 divisors (see below), whose sum is σ = 10284249160. Its totient is φ = 10006296336.
The previous prime is 10145272741. The next prime is 10145272751. The reversal of 10145272747 is 74727254101.
10145272747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10145272747 - 27 = 10145272619 is a prime.
It is a super-2 number, since 2×101452727472 (a number of 21 digits) contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10145272741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69488097 + ... + 69488242.
It is an arithmetic number, because the mean of its divisors is an integer number (2571062290).
Almost surely, 210145272747 is an apocalyptic number.
10145272747 is a deficient number, since it is larger than the sum of its proper divisors (138976413).
10145272747 is an equidigital number, since it uses as much as digits as its factorization.
10145272747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138976412.
The product of its (nonzero) digits is 109760, while the sum is 40.
The spelling of 10145272747 in words is "ten billion, one hundred forty-five million, two hundred seventy-two thousand, seven hundred forty-seven".
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