Search a number
-
+
12142031653 = 47258341099
BaseRepresentation
bin10110100111011100…
…01011001100100101
31011100012101010011001
423103232023030211
5144331330003103
65324501513301
7606614365123
oct132356131445
934305333131
1012142031653
115170951104
12242a412831
1311b670381b
14832830913
154b0e7901d
hex2d3b8b325

12142031653 has 4 divisors (see below), whose sum is σ = 12400372800. Its totient is φ = 11883690508.

The previous prime is 12142031599. The next prime is 12142031773. The reversal of 12142031653 is 35613024121.

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 12142031653 - 233 = 3552097061 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 (12142001653) 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, 129170503 + ... + 129170596.

It is an arithmetic number, because the mean of its divisors is an integer number (3100093200).

Almost surely, 212142031653 is an apocalyptic number.

It is an amenable number.

12142031653 is a deficient number, since it is larger than the sum of its proper divisors (258341147).

12142031653 is an equidigital number, since it uses as much as digits as its factorization.

12142031653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258341146.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 12142031653 its reverse (35613024121), we get a palindrome (47755055774).

The spelling of 12142031653 in words is "twelve billion, one hundred forty-two million, thirty-one thousand, six hundred fifty-three".

Divisors: 1 47 258341099 12142031653