Search a number
-
+
69424807973 = 184393765107
BaseRepresentation
bin100000010101000001…
…0101000000000100101
320122012100000122202012
41000222002220000211
52114140222323343
651520542324005
75005261062653
oct1005202500045
9218170018665
1069424807973
1127496548864
1211556289605
136715226741
143508489dd3
151c14d93718
hex102a0a8025

69424807973 has 4 divisors (see below), whose sum is σ = 69428591520. Its totient is φ = 69421024428.

The previous prime is 69424807943. The next prime is 69424807979. The reversal of 69424807973 is 37970842496.

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 69424807973 - 28 = 69424807717 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 (69424807979) 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, 1864115 + ... + 1900992.

It is an arithmetic number, because the mean of its divisors is an integer number (17357147880).

Almost surely, 269424807973 is an apocalyptic number.

It is an amenable number.

69424807973 is a deficient number, since it is larger than the sum of its proper divisors (3783547).

69424807973 is a wasteful number, since it uses less digits than its factorization.

69424807973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783546.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 69424807973 in words is "sixty-nine billion, four hundred twenty-four million, eight hundred seven thousand, nine hundred seventy-three".

Divisors: 1 18439 3765107 69424807973