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33000213000 = 23353173120873
BaseRepresentation
bin11110101110111101…
…110100101000001000
310011011211201111220010
4132232331310220020
51020041023304000
623054325031520
72245530116346
oct365675645010
9104154644803
1033000213000
1112aa483a507
12648b8555a0
13315bb22571
141850aa8996
15cd2210d50
hex7aef74a08

33000213000 has 256 divisors, whose sum is σ = 112539248640. Its totient is φ = 8014848000.

The previous prime is 33000212981. The next prime is 33000213089. The reversal of 33000213000 is 31200033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1570564 + ... + 1591436.

It is an arithmetic number, because the mean of its divisors is an integer number (439606440).

Almost surely, 233000213000 is an apocalyptic number.

33000213000 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 33000213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56269624320).

33000213000 is an abundant number, since it is smaller than the sum of its proper divisors (79539035640).

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

33000213000 is a wasteful number, since it uses less digits than its factorization.

33000213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20945 (or 20931 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 33000213000 its reverse (31200033), we get a palindrome (33031413033).

The spelling of 33000213000 in words is "thirty-three billion, two hundred thirteen thousand".