Search a number
-
+
5123720733 = 31918941921
BaseRepresentation
bin1001100010110010…
…11100011000011101
3111020002011222111120
410301121130120131
540443133030413
62204231041153
7240653623215
oct46131343035
914202158446
105123720733
11219a23024a
12babb101b9
13638689221
143686a9245
151eec44723
hex13165c61d

5123720733 has 8 divisors (see below), whose sum is σ = 6867396096. Its totient is φ = 3397929600.

The previous prime is 5123720717. The next prime is 5123720753. The reversal of 5123720733 is 3370273215.

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

It is not a de Polignac number, because 5123720733 - 24 = 5123720717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5123720694 and 5123720703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123720753) 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, 4470388 + ... + 4471533.

It is an arithmetic number, because the mean of its divisors is an integer number (858424512).

Almost surely, 25123720733 is an apocalyptic number.

It is an amenable number.

5123720733 is a deficient number, since it is larger than the sum of its proper divisors (1743675363).

5123720733 is a wasteful number, since it uses less digits than its factorization.

5123720733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942115.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 5123720733 is about 71580.1699704604. The cubic root of 5123720733 is about 1723.9651549034.

Adding to 5123720733 its reverse (3370273215), we get a palindrome (8493993948).

The spelling of 5123720733 in words is "five billion, one hundred twenty-three million, seven hundred twenty thousand, seven hundred thirty-three".

Divisors: 1 3 191 573 8941921 26825763 1707906911 5123720733