Search a number
-
+
1234412252431 = 2942565939739
BaseRepresentation
bin10001111101101000101…
…101000010110100001111
311101000020022102122211021
4101331220231002310033
5130211034014034211
62343025310335011
7155116613010421
oct21755055026417
94330208378737
101234412252431
11436569598736
1217b2a21ba467
138c534b12957
1443a6295a811
152219ad6d771
hex11f68b42d0f

1234412252431 has 4 divisors (see below), whose sum is σ = 1276978192200. Its totient is φ = 1191846312664.

The previous prime is 1234412252417. The next prime is 1234412252443. The reversal of 1234412252431 is 1342522144321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1234412252431 - 25 = 1234412252399 is a prime.

It is a super-2 number, since 2×12344122524312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234412252401) 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, 21282969841 + ... + 21282969898.

It is an arithmetic number, because the mean of its divisors is an integer number (319244548050).

Almost surely, 21234412252431 is an apocalyptic number.

1234412252431 is a deficient number, since it is larger than the sum of its proper divisors (42565939769).

1234412252431 is an equidigital number, since it uses as much as digits as its factorization.

1234412252431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42565939768.

The product of its digits is 46080, while the sum is 34.

Adding to 1234412252431 its reverse (1342522144321), we get a palindrome (2576934396752).

The spelling of 1234412252431 in words is "one trillion, two hundred thirty-four billion, four hundred twelve million, two hundred fifty-two thousand, four hundred thirty-one".

Divisors: 1 29 42565939739 1234412252431