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33000000000 = 2935911
BaseRepresentation
bin11110101110111101…
…000000101000000000
310011011211022200201020
4132232331000220000
51020041000000000
623054320305440
72245525241352
oct365675005000
9104154280636
1033000000000
1112aa4704480
12648b772280
13315ba79626
141850a510d2
15cd21bcba0
hex7aef40a00

33000000000 has 400 divisors, whose sum is σ = 119882800224. Its totient is φ = 8000000000.

The previous prime is 32999999959. The next prime is 33000000029. The reversal of 33000000000 is 33.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2999999995 + ... + 3000000005.

Almost surely, 233000000000 is an apocalyptic number.

33000000000 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 33000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59941400112).

33000000000 is an abundant number, since it is smaller than the sum of its proper divisors (86882800224).

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

33000000000 is an frugal number, since it uses more digits than its factorization.

33000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 6.

Adding to 33000000000 its reverse (33), we get a palindrome (33000000033).

33000000000 divided by its reverse (33) gives a 9-th power (1000000000 = 109).

It can be divided in two parts, 3 and 3000000000, that added together give a palindrome (3000000003).

The spelling of 33000000000 in words is "thirty-three billion", and thus it is an aban number and an uban number.