Search a number
-
+
12132431101 = 71733204443
BaseRepresentation
bin10110100110010011…
…00011010011111101
31011022112022100200001
423103021203103331
5144321400243401
65323520034301
7606436651150
oct132311432375
934275270601
1012132431101
11516649406a
122427162991
1311b4721a1b
14831451c97
154b01ce601
hex2d32634fd

12132431101 has 4 divisors (see below), whose sum is σ = 13865635552. Its totient is φ = 10399226652.

The previous prime is 12132431099. The next prime is 12132431107. The reversal of 12132431101 is 10113423121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12132431101 - 21 = 12132431099 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 (12132431107) 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 3 ways as a sum of consecutive naturals, for example, 866602215 + ... + 866602228.

It is an arithmetic number, because the mean of its divisors is an integer number (3466408888).

Almost surely, 212132431101 is an apocalyptic number.

It is an amenable number.

12132431101 is a deficient number, since it is larger than the sum of its proper divisors (1733204451).

12132431101 is an equidigital number, since it uses as much as digits as its factorization.

12132431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733204450.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12132431101 its reverse (10113423121), we get a palindrome (22245854222).

The spelling of 12132431101 in words is "twelve billion, one hundred thirty-two million, four hundred thirty-one thousand, one hundred one".

Divisors: 1 7 1733204443 12132431101