Search a number
-
+
72210223076800 = 2652612273932537
BaseRepresentation
bin10000011010110011000000…
…101100100001010111000000
3100110200020012121021102020011
4100122303000230201113000
533431043014101424200
6413324530222354304
721132005433556534
oct2032630054412700
9313606177242204
1072210223076800
1121010202457006
1281229a972b994
13313a5195516c3
1413b8dca027bc4
158535486bc5ba
hex41acc0b215c0

72210223076800 has 168 divisors, whose sum is σ = 180608597207280. Its totient is φ = 28408457011200.

The previous prime is 72210223076791. The next prime is 72210223076801. The reversal of 72210223076800 is 867032201227.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72210223076801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2219310132 + ... + 2219342668.

Almost surely, 272210223076800 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 72210223076800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90304298603640).

72210223076800 is an abundant number, since it is smaller than the sum of its proper divisors (108398374130480).

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

72210223076800 is a wasteful number, since it uses less digits than its factorization.

72210223076800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55359 (or 55344 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 72210223076800 in words is "seventy-two trillion, two hundred ten billion, two hundred twenty-three million, seventy-six thousand, eight hundred".