Search a number
-
+
3129622123 = 171131629163
BaseRepresentation
bin1011101010001010…
…0011111001101011
322002002221021110111
42322202203321223
522402140401443
61234314355151
7140361230515
oct27242437153
98062837414
103129622123
111366654471
1273412bab7
133ab4ca014
14219908bb5
15134b4a69d
hexba8a3e6b

3129622123 has 8 divisors (see below), whose sum is σ = 3343044528. Its totient is φ = 2919458304.

The previous prime is 3129622099. The next prime is 3129622129. The reversal of 3129622123 is 3212269213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3129622123 - 213 = 3129613931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3129622129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812661 + ... + 816502.

It is an arithmetic number, because the mean of its divisors is an integer number (417880566).

Almost surely, 23129622123 is an apocalyptic number.

3129622123 is a deficient number, since it is larger than the sum of its proper divisors (213422405).

3129622123 is a wasteful number, since it uses less digits than its factorization.

3129622123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629293.

The product of its digits is 7776, while the sum is 31.

The square root of 3129622123 is about 55943.0256868539. The cubic root of 3129622123 is about 1462.7293230677.

The spelling of 3129622123 in words is "three billion, one hundred twenty-nine million, six hundred twenty-two thousand, one hundred twenty-three".

Divisors: 1 17 113 1921 1629163 27695771 184095419 3129622123