Base | Representation |
---|---|
bin | 10111001001111010… |
… | …10100011000011111 |
3 | 1012002100112002220110 |
4 | 23210331110120133 |
5 | 200424342322421 |
6 | 5413312021103 |
7 | 620025401511 |
oct | 134475243037 |
9 | 35070462813 |
10 | 12431214111 |
11 | 52aa107178 |
12 | 24ab231793 |
13 | 12315b48c4 |
14 | 85cdc9bb1 |
15 | 4cb54ca76 |
hex | 2e4f5461f |
12431214111 has 8 divisors (see below), whose sum is σ = 16575524784. Its totient is φ = 8287189760.
The previous prime is 12431214101. The next prime is 12431214127. The reversal of 12431214111 is 11141213421.
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 12431214111 - 219 = 12430689823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12431214101) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 69391 + ... + 172271.
It is an arithmetic number, because the mean of its divisors is an integer number (2071940598).
Almost surely, 212431214111 is an apocalyptic number.
12431214111 is a deficient number, since it is larger than the sum of its proper divisors (4144310673).
12431214111 is a wasteful number, since it uses less digits than its factorization.
12431214111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143161.
The product of its digits is 192, while the sum is 21.
Adding to 12431214111 its reverse (11141213421), we get a palindrome (23572427532).
The spelling of 12431214111 in words is "twelve billion, four hundred thirty-one million, two hundred fourteen thousand, one hundred eleven".
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