Search a number
-
+
18229248000 = 21432532343
BaseRepresentation
bin10000111110100011…
…000100000000000000
31202001102112202011100
4100332203010000000
5244313141414000
612212512014400
71213511023425
oct207643040000
952042482140
1018229248000
117804a31917
123648b31400
1319468884a2
14c4d063d4c
1571a58da00
hex43e8c4000

18229248000 has 720 divisors, whose sum is σ = 70172758656. Its totient is φ = 4541644800.

The previous prime is 18229247969. The next prime is 18229248031. The reversal of 18229248000 is 84292281.

It is an interprime number because it is at equal distance from previous prime (18229247969) and next prime (18229248031).

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423935979 + ... + 423936021.

Almost surely, 218229248000 is an apocalyptic number.

18229248000 is a gapful number since it is divisible by the number (10) 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 18229248000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35086379328).

18229248000 is an abundant number, since it is smaller than the sum of its proper divisors (51943510656).

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

18229248000 is an equidigital number, since it uses as much as digits as its factorization.

18229248000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 18229248000 in words is "eighteen billion, two hundred twenty-nine million, two hundred forty-eight thousand".