Search a number
-
+
72196768000 = 285373137281
BaseRepresentation
bin100001100111101000…
…0110100000100000000
320220100111221211001101
41003033100310010000
52140324333034000
653100003144144
75134050255040
oct1031720640400
9226314854041
1072196768000
1128689214415
1211baa675054
136a675b6b86
1436cc691720
151d283dee6a
hex10cf434100

72196768000 has 576 divisors, whose sum is σ = 218684583936. Its totient is φ = 23224320000.

The previous prime is 72196767997. The next prime is 72196768001. The reversal of 72196768000 is 86769127.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72196768001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256927860 + ... + 256928140.

It is an arithmetic number, because the mean of its divisors is an integer number (379660736).

Almost surely, 272196768000 is an apocalyptic number.

72196768000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72196768000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109342291968).

72196768000 is an abundant number, since it is smaller than the sum of its proper divisors (146487815936).

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

72196768000 is a wasteful number, since it uses less digits than its factorization.

72196768000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 72196768000 in words is "seventy-two billion, one hundred ninety-six million, seven hundred sixty-eight thousand".