Base | Representation |
---|---|
bin | 11110110110110001… |
… | …111000010100100010 |
3 | 10011111222101102122000 |
4 | 132312301320110202 |
5 | 1020323103101010 |
6 | 23115330424430 |
7 | 2252011255515 |
oct | 366661702442 |
9 | 104458342560 |
10 | 33131300130 |
11 | 13061834185 |
12 | 6507732116 |
13 | 318002bb06 |
14 | 186426cd7c |
15 | cdd9a67c0 |
hex | 7b6c78522 |
33131300130 has 256 divisors, whose sum is σ = 94267514880. Its totient is φ = 8262777600.
The previous prime is 33131300089. The next prime is 33131300161. The reversal of 33131300130 is 3100313133.
33131300130 is a `hidden beast` number, since 331 + 3 + 1 + 300 + 1 + 30 = 666.
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 127 ways as a sum of consecutive naturals, for example, 71868100 + ... + 71868560.
It is an arithmetic number, because the mean of its divisors is an integer number (368232480).
Almost surely, 233131300130 is an apocalyptic number.
33131300130 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 33131300130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47133757440).
33131300130 is an abundant number, since it is smaller than the sum of its proper divisors (61136214750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33131300130 is a wasteful number, since it uses less digits than its factorization.
33131300130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 734 (or 728 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 33131300130 its reverse (3100313133), we get a palindrome (36231613263).
The spelling of 33131300130 in words is "thirty-three billion, one hundred thirty-one million, three hundred thousand, one hundred thirty".
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