Base | Representation |
---|---|
bin | 10111001000111011… |
… | …11110111111011111 |
3 | 1012001210001210022021 |
4 | 23210131332333133 |
5 | 200420242000111 |
6 | 5412420001011 |
7 | 616565520661 |
oct | 134435767737 |
9 | 35053053267 |
10 | 12423000031 |
11 | 52a5506882 |
12 | 24a8530167 |
13 | 122c999bc0 |
14 | 85bc8c531 |
15 | 4ca978d71 |
hex | 2e477efdf |
12423000031 has 8 divisors (see below), whose sum is σ = 13631042880. Its totient is φ = 11251018272.
The previous prime is 12423000013. The next prime is 12423000049. The reversal of 12423000031 is 13000032421.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12423000013) and next prime (12423000049).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12423000031 - 25 = 12422999999 is a prime.
It is a super-2 number, since 2×124230000312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12422999969 and 12423000014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12423000061) 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, 9014551 + ... + 9015928.
It is an arithmetic number, because the mean of its divisors is an integer number (1703880360).
Almost surely, 212423000031 is an apocalyptic number.
12423000031 is a deficient number, since it is larger than the sum of its proper divisors (1208042849).
12423000031 is a wasteful number, since it uses less digits than its factorization.
12423000031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18030545.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12423000031 its reverse (13000032421), we get a palindrome (25423032452).
The spelling of 12423000031 in words is "twelve billion, four hundred twenty-three million, thirty-one", and thus it is an aban number.
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