Search a number
-
+
12901234211 = 90714224073
BaseRepresentation
bin11000000001111100…
…10011011000100011
31020022002221121021022
430000332103120203
5202410203443321
65532102120055
7634463452505
oct140076233043
936262847238
1012901234211
115520457238
12260072002b
1312a7aa0bc8
148a55b9d75
15507942dab
hex300f93623

12901234211 has 4 divisors (see below), whose sum is σ = 12915459192. Its totient is φ = 12887009232.

The previous prime is 12901234201. The next prime is 12901234243. The reversal of 12901234211 is 11243210921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11243210921 = 13782067233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12901234211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12901234201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7111130 + ... + 7112943.

It is an arithmetic number, because the mean of its divisors is an integer number (3228864798).

Almost surely, 212901234211 is an apocalyptic number.

12901234211 is a deficient number, since it is larger than the sum of its proper divisors (14224981).

12901234211 is an equidigital number, since it uses as much as digits as its factorization.

12901234211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224980.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12901234211 in words is "twelve billion, nine hundred one million, two hundred thirty-four thousand, two hundred eleven".

Divisors: 1 907 14224073 12901234211