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33230021130 = 2325369222457
BaseRepresentation
bin11110111100101010…
…011110001000001010
310011202212010222101100
4132330222132020022
51021023341134010
623133214402230
72254320343035
oct367452361012
9104685128340
1033230021130
1113102531789
126534800376
1331976153c7
14187340a01c
15ce74a72c0
hex7bca9e20a

33230021130 has 24 divisors (see below), whose sum is σ = 86398055172. Its totient is φ = 8861338944.

The previous prime is 33230021129. The next prime is 33230021173. The reversal of 33230021130 is 3112003233.

33230021130 is a `hidden beast` number, since 332 + 300 + 2 + 1 + 1 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33183358569 + 46662561 = 182163^2 + 6831^2 .

It is a super-2 number, since 2×332300211302 (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 11 ways as a sum of consecutive naturals, for example, 184611139 + ... + 184611318.

Almost surely, 233230021130 is an apocalyptic number.

33230021130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33230021130 is an abundant number, since it is smaller than the sum of its proper divisors (53168034042).

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

33230021130 is a wasteful number, since it uses less digits than its factorization.

33230021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369222470 (or 369222467 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33230021130 its reverse (3112003233), we get a palindrome (36342024363).

The spelling of 33230021130 in words is "thirty-three billion, two hundred thirty million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 369222457 738444914 1107667371 1846112285 2215334742 3323002113 3692224570 5538336855 6646004226 11076673710 16615010565 33230021130