Search a number
-
+
65724430413 = 3237113415887
BaseRepresentation
bin111101001101011110…
…110011100001001101
320021122110010000000110
4331031132303201031
52034100423233123
650105434350233
74514466304125
oct751536634115
9207573100013
1065724430413
1125967800394
12108a2b8b379
136275700015
143276c4bc85
151a9a0a5493
hexf4d7b384d

65724430413 has 16 divisors (see below), whose sum is σ = 92730617856. Its totient is φ = 41320928880.

The previous prime is 65724430357. The next prime is 65724430441. The reversal of 65724430413 is 31403442756.

It is not a de Polignac number, because 65724430413 - 217 = 65724299341 is a prime.

It is a super-2 number, since 2×657244304132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65724420413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6703045 + ... + 6712842.

It is an arithmetic number, because the mean of its divisors is an integer number (5795663616).

Almost surely, 265724430413 is an apocalyptic number.

It is an amenable number.

65724430413 is a deficient number, since it is larger than the sum of its proper divisors (27006187443).

65724430413 is a wasteful number, since it uses less digits than its factorization.

65724430413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415984.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 65724430413 in words is "sixty-five billion, seven hundred twenty-four million, four hundred thirty thousand, four hundred thirteen".

Divisors: 1 3 23 69 71 213 1633 4899 13415887 40247661 308565401 925696203 952527977 2857583931 21908143471 65724430413