Search a number
-
+
72343229930 = 257234322993
BaseRepresentation
bin100001101011111111…
…1100001010111101010
320220201201112212001022
41003113333201113222
52141124331324210
653122314252442
75140506210536
oct1032777412752
9226651485038
1072343229930
112875395a434
121202b727122
136a8ba4753a
143703cd8bc6
151d361c1155
hex10d7fe15ea

72343229930 has 8 divisors (see below), whose sum is σ = 130217813892. Its totient is φ = 28937291968.

The previous prime is 72343229911. The next prime is 72343229939. The reversal of 72343229930 is 3992234327.

It can be written as a sum of positive squares in 2 ways, for example, as 71980060681 + 363169249 = 268291^2 + 19057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72343229939) 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, 3617161487 + ... + 3617161506.

Almost surely, 272343229930 is an apocalyptic number.

72343229930 is a deficient number, since it is larger than the sum of its proper divisors (57874583962).

72343229930 is a wasteful number, since it uses less digits than its factorization.

72343229930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234323000.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 72343229930 in words is "seventy-two billion, three hundred forty-three million, two hundred twenty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 7234322993 14468645986 36171614965 72343229930