Base | Representation |
---|---|
bin | 10110101001110110… |
… | …10001011111001011 |
3 | 1011101121101221020012 |
4 | 23110323101133023 |
5 | 144402013230012 |
6 | 5330503022135 |
7 | 610251232652 |
oct | 132473213713 |
9 | 34347357205 |
10 | 12162242507 |
11 | 51812a5898 |
12 | 243513a94b |
13 | 11ba95bbcc |
14 | 8353b2199 |
15 | 4b2b1c622 |
hex | 2d4ed17cb |
12162242507 has 8 divisors (see below), whose sum is σ = 12448083120. Its totient is φ = 11876538240.
The previous prime is 12162242467. The next prime is 12162242621. The reversal of 12162242507 is 70524226121.
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 12162242507 - 214 = 12162226123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12162242107) 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, 159119 + ... + 222807.
It is an arithmetic number, because the mean of its divisors is an integer number (1556010390).
Almost surely, 212162242507 is an apocalyptic number.
12162242507 is a deficient number, since it is larger than the sum of its proper divisors (285840613).
12162242507 is an equidigital number, since it uses as much as digits as its factorization.
12162242507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68173.
The product of its (nonzero) digits is 13440, while the sum is 32.
Adding to 12162242507 its reverse (70524226121), we get a palindrome (82686468628).
The spelling of 12162242507 in words is "twelve billion, one hundred sixty-two million, two hundred forty-two thousand, five hundred seven".
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