Search a number
-
+
71192145024 = 27337111321583
BaseRepresentation
bin100001001001101100…
…0011110110010000000
320210202111120200102000
41002103120132302000
52131300142120044
652412154424000
75100131151060
oct1022330366200
9223674520360
1071192145024
11282131232a0
121196a132000
13693741b700
14363509d3a0
151cba0e8d69
hex109361ec80

71192145024 has 768 divisors, whose sum is σ = 283842662400. Its totient is φ = 17058263040.

The previous prime is 71192144951. The next prime is 71192145049. The reversal of 71192145024 is 42054129117.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 71192145024.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44972137 + ... + 44973719.

It is an arithmetic number, because the mean of its divisors is an integer number (369586800).

Almost surely, 271192145024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71192145024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141921331200).

71192145024 is an abundant number, since it is smaller than the sum of its proper divisors (212650517376).

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

71192145024 is a wasteful number, since it uses less digits than its factorization.

71192145024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 71192145024 in words is "seventy-one billion, one hundred ninety-two million, one hundred forty-five thousand, twenty-four".