Search a number
-
+
33201221130 = 232571110634507
BaseRepresentation
bin11110111010111100…
…100110111000001010
310011200211221210012200
4132322330212320022
51020444003034010
623130305221030
72253520503030
oct367274467012
9104624853180
1033201221130
1113098250930
126527031776
13319167069c
14186d670550
15ce4bb8cc0
hex7baf26e0a

33201221130 has 192 divisors, whose sum is σ = 107748845568. Its totient is φ = 6890935680.

The previous prime is 33201221113. The next prime is 33201221197. The reversal of 33201221130 is 3112210233.

It is a super-2 number, since 2×332012211302 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7364337 + ... + 7368843.

It is an arithmetic number, because the mean of its divisors is an integer number (561191904).

Almost surely, 233201221130 is an apocalyptic number.

33201221130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33201221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53874422784).

33201221130 is an abundant number, since it is smaller than the sum of its proper divisors (74547624438).

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

33201221130 is a wasteful number, since it uses less digits than its factorization.

33201221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33201221130 its reverse (3112210233), we get a palindrome (36313431363).

The spelling of 33201221130 in words is "thirty-three billion, two hundred one million, two hundred twenty-one thousand, one hundred thirty".