Search a number
-
+
29239227137 = 190511534787
BaseRepresentation
bin11011001110110010…
…110011001100000001
32210110201202122012102
4123032302303030001
5434340220232022
621233214040145
72053401221111
oct331662631401
983421678172
1029239227137
111144486612a
1258001a9055
1329ac898043
1415b53b1041
15b61e4ea92
hex6cecb3301

29239227137 has 4 divisors (see below), whose sum is σ = 29240780976. Its totient is φ = 29237673300.

The previous prime is 29239227133. The next prime is 29239227191. The reversal of 29239227137 is 73172293292.

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 29239227137 - 22 = 29239227133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29239227091 and 29239227100.

It is not an unprimeable number, because it can be changed into a prime (29239227133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748343 + ... + 786444.

It is an arithmetic number, because the mean of its divisors is an integer number (7310195244).

Almost surely, 229239227137 is an apocalyptic number.

It is an amenable number.

29239227137 is a deficient number, since it is larger than the sum of its proper divisors (1553839).

29239227137 is a wasteful number, since it uses less digits than its factorization.

29239227137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553838.

The product of its digits is 571536, while the sum is 47.

The spelling of 29239227137 in words is "twenty-nine billion, two hundred thirty-nine million, two hundred twenty-seven thousand, one hundred thirty-seven".

Divisors: 1 19051 1534787 29239227137