Search a number
-
+
1232012413 = 6191990327
BaseRepresentation
bin100100101101111…
…0000010001111101
310011212020201022101
41021123300101331
510010343344123
6322130145101
742346634632
oct11133602175
93155221271
101232012413
11582491185
122a4722191
13168322438
14b98a4189
1573260aad
hex496f047d

1232012413 has 4 divisors (see below), whose sum is σ = 1234003360. Its totient is φ = 1230021468.

The previous prime is 1232012387. The next prime is 1232012471. The reversal of 1232012413 is 3142102321.

It is a happy number.

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 1232012413 - 25 = 1232012381 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 (1232012213) 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, 994545 + ... + 995782.

It is an arithmetic number, because the mean of its divisors is an integer number (308500840).

Almost surely, 21232012413 is an apocalyptic number.

It is an amenable number.

1232012413 is a deficient number, since it is larger than the sum of its proper divisors (1990947).

1232012413 is an equidigital number, since it uses as much as digits as its factorization.

1232012413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990946.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1232012413 is about 35100.0343732025. The cubic root of 1232012413 is about 1072.0252825612.

Adding to 1232012413 its reverse (3142102321), we get a palindrome (4374114734).

The spelling of 1232012413 in words is "one billion, two hundred thirty-two million, twelve thousand, four hundred thirteen".

Divisors: 1 619 1990327 1232012413