Search a number
-
+
3712342829 = 13285564833
BaseRepresentation
bin1101110101000101…
…1101101100101101
3100120201102112222212
43131101131230231
530100324432304
61412212220205
7160665251636
oct33521355455
910521375885
103712342829
111635580128
1287730a665
13472155980
1427307488d
1516ada366e
hexdd45db2d

3712342829 has 4 divisors (see below), whose sum is σ = 3997907676. Its totient is φ = 3426777984.

The previous prime is 3712342763. The next prime is 3712342847. The reversal of 3712342829 is 9282432173.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9282432173 = 71326061739.

It can be written as a sum of positive squares in 2 ways, for example, as 579701929 + 3132640900 = 24077^2 + 55970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3712342829 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 (3712342859) 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, 142782404 + ... + 142782429.

It is an arithmetic number, because the mean of its divisors is an integer number (999476919).

Almost surely, 23712342829 is an apocalyptic number.

It is an amenable number.

3712342829 is a deficient number, since it is larger than the sum of its proper divisors (285564847).

3712342829 is a wasteful number, since it uses less digits than its factorization.

3712342829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285564846.

The product of its digits is 145152, while the sum is 41.

The square root of 3712342829 is about 60928.9982602701. The cubic root of 3712342829 is about 1548.3983217653.

The spelling of 3712342829 in words is "three billion, seven hundred twelve million, three hundred forty-two thousand, eight hundred twenty-nine".

Divisors: 1 13 285564833 3712342829