Search a number
-
+
74280661060 = 2253714033053
BaseRepresentation
bin100010100101101111…
…0001111000001000100
321002201202011112220211
41011023132033001010
52204111322123220
654042444205204
75236513126024
oct1051336170104
9232652145824
1074280661060
1129558551091
1212490539804
13700a2555a8
143849347a84
151deb324b5a
hex114b78f044

74280661060 has 12 divisors (see below), whose sum is σ = 155989388268. Its totient is φ = 29712264416.

The previous prime is 74280661043. The next prime is 74280661069. The reversal of 74280661060 is 6016608247.

It can be written as a sum of positive squares in 2 ways, for example, as 9472739584 + 64807921476 = 97328^2 + 254574^2 .

It is not an unprimeable number, because it can be changed into a prime (74280661069) 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, 1857016507 + ... + 1857016546.

It is an arithmetic number, because the mean of its divisors is an integer number (12999115689).

Almost surely, 274280661060 is an apocalyptic number.

It is an amenable number.

74280661060 is an abundant number, since it is smaller than the sum of its proper divisors (81708727208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74280661060 is a wasteful number, since it uses less digits than its factorization.

74280661060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714033062 (or 3714033060 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 74280661060 in words is "seventy-four billion, two hundred eighty million, six hundred sixty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 3714033053 7428066106 14856132212 18570165265 37140330530 74280661060