Base | Representation |
---|---|
bin | 10110010111100100… |
… | …01101101000001101 |
3 | 1010222220210221002010 |
4 | 23023302031220031 |
5 | 144043232404321 |
6 | 5303343451433 |
7 | 603406505655 |
oct | 131362155015 |
9 | 33886727063 |
10 | 12008872461 |
11 | 5102771693 |
12 | 23b18b6b79 |
13 | 1194c500c1 |
14 | 81cc8b365 |
15 | 4a4424676 |
hex | 2cbc8da0d |
12008872461 has 16 divisors (see below), whose sum is σ = 16885414400. Its totient is φ = 7570665648.
The previous prime is 12008872459. The next prime is 12008872511. The reversal of 12008872461 is 16427880021.
It is a happy number.
12008872461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12008872461 - 21 = 12008872459 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12008872451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161401 + ... + 223758.
It is an arithmetic number, because the mean of its divisors is an integer number (1055338400).
Almost surely, 212008872461 is an apocalyptic number.
It is an amenable number.
12008872461 is a deficient number, since it is larger than the sum of its proper divisors (4876541939).
12008872461 is a wasteful number, since it uses less digits than its factorization.
12008872461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385728.
The product of its (nonzero) digits is 43008, while the sum is 39.
The spelling of 12008872461 in words is "twelve billion, eight million, eight hundred seventy-two thousand, four hundred sixty-one".
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