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73712433485 = 531215340777
BaseRepresentation
bin100010010100110011…
…0100111100101001101
321001021010221121020002
41010221212213211031
52201430340332420
653510225134045
75216443226615
oct1045146474515
9231233847202
1073712433485
1129296824319
121235218a325
136c49602662
1437d3ab1a45
151db64d1075
hex11299a794d

73712433485 has 12 divisors (see below), whose sum is σ = 91400355324. Its totient is φ = 57067686720.

The previous prime is 73712433437. The next prime is 73712433491. The reversal of 73712433485 is 58433421737.

It can be written as a sum of positive squares in 2 ways, for example, as 41317473289 + 32394960196 = 203267^2 + 179986^2 .

It is not a de Polignac number, because 73712433485 - 210 = 73712432461 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7665584 + ... + 7675193.

It is an arithmetic number, because the mean of its divisors is an integer number (7616696277).

Almost surely, 273712433485 is an apocalyptic number.

It is an amenable number.

73712433485 is a deficient number, since it is larger than the sum of its proper divisors (17687921839).

73712433485 is a wasteful number, since it uses less digits than its factorization.

73712433485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340844 (or 15340813 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 73712433485 in words is "seventy-three billion, seven hundred twelve million, four hundred thirty-three thousand, four hundred eighty-five".

Divisors: 1 5 31 155 961 4805 15340777 76703885 475564087 2377820435 14742486697 73712433485