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30389268000 = 25353713171637
BaseRepresentation
bin11100010011010101…
…110110111000100000
32220102212202202200110
4130103111312320200
5444214123034000
621543255251320
72124034341660
oct342325667040
986385682613
1030389268000
1111984a49923
125a81379b40
132b33c198b0
1416840181a0
15bccdbc850
hex713576e20

30389268000 has 768 divisors, whose sum is σ = 129816400896. Its totient is φ = 6030950400.

The previous prime is 30389267963. The next prime is 30389268061. The reversal of 30389268000 is 86298303.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 30389268000.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 18563182 + ... + 18564818.

It is an arithmetic number, because the mean of its divisors is an integer number (169031772).

Almost surely, 230389268000 is an apocalyptic number.

30389268000 is a gapful number since it is divisible by the number (30) 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 30389268000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64908200448).

30389268000 is an abundant number, since it is smaller than the sum of its proper divisors (99427132896).

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

30389268000 is a wasteful number, since it uses less digits than its factorization.

30389268000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 30389268000 in words is "thirty billion, three hundred eighty-nine million, two hundred sixty-eight thousand".