Base | Representation |
---|---|
bin | 10111101001000011… |
… | …10000010010100111 |
3 | 1012202120000221022010 |
4 | 23310201300102213 |
5 | 201443230030342 |
6 | 5455242405303 |
7 | 626346552105 |
oct | 136441602247 |
9 | 35676027263 |
10 | 12692423847 |
11 | 54235a6994 |
12 | 2562800833 |
13 | 127375068c |
14 | 885982c75 |
15 | 4e444829c |
hex | 2f48704a7 |
12692423847 has 8 divisors (see below), whose sum is σ = 17137450240. Its totient is φ = 8354506680.
The previous prime is 12692423831. The next prime is 12692423869. The reversal of 12692423847 is 74832429621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12692423847 - 24 = 12692423831 is a prime.
It is a super-2 number, since 2×126924238472 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12692423796 and 12692423805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12692423647) 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, 26777029 + ... + 26777502.
It is an arithmetic number, because the mean of its divisors is an integer number (2142181280).
Almost surely, 212692423847 is an apocalyptic number.
12692423847 is a deficient number, since it is larger than the sum of its proper divisors (4445026393).
12692423847 is an equidigital number, since it uses as much as digits as its factorization.
12692423847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53554613.
The product of its digits is 1161216, while the sum is 48.
The spelling of 12692423847 in words is "twelve billion, six hundred ninety-two million, four hundred twenty-three thousand, eight hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •