Search a number
-
+
29679634429 = 52356748823
BaseRepresentation
bin11011101001000010…
…110100011111111101
32211121102110122102121
4123221002310133331
5441240441300204
621345025322541
72100326505304
oct335102643775
984542418377
1029679634429
111165041a6a5
125903796451
132a4cbb6683
141617a9343b
15b8a945b54
hex6e90b47fd

29679634429 has 4 divisors (see below), whose sum is σ = 29736383776. Its totient is φ = 29622885084.

The previous prime is 29679634421. The next prime is 29679634441. The reversal of 29679634429 is 92443697692.

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 29679634429 - 23 = 29679634421 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 (29679634421) 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, 28373889 + ... + 28374934.

It is an arithmetic number, because the mean of its divisors is an integer number (7434095944).

Almost surely, 229679634429 is an apocalyptic number.

It is an amenable number.

29679634429 is a deficient number, since it is larger than the sum of its proper divisors (56749347).

29679634429 is an equidigital number, since it uses as much as digits as its factorization.

29679634429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56749346.

The product of its digits is 35271936, while the sum is 61.

The spelling of 29679634429 in words is "twenty-nine billion, six hundred seventy-nine million, six hundred thirty-four thousand, four hundred twenty-nine".

Divisors: 1 523 56748823 29679634429