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33133231340 = 22511808118637
BaseRepresentation
bin11110110110111001…
…001111110011101100
310011112010000112202022
4132312321033303230
51020324101400330
623115440045312
72252033551046
oct366671176354
9104463015668
1033133231340
1113062933120
126508303838
133180556b41
141864612a96
15cddc38ae5
hex7b6e4fcec

33133231340 has 48 divisors (see below), whose sum is σ = 75918687264. Its totient is φ = 12046310400.

The previous prime is 33133231333. The next prime is 33133231357. The reversal of 33133231340 is 4313233133.

It is a super-2 number, since 2×331332313402 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1768502 + ... + 1787138.

It is an arithmetic number, because the mean of its divisors is an integer number (1581639318).

Almost surely, 233133231340 is an apocalyptic number.

It is an amenable number.

33133231340 is an abundant number, since it is smaller than the sum of its proper divisors (42785455924).

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

33133231340 is a wasteful number, since it uses less digits than its factorization.

33133231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738 (or 26736 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 33133231340 its reverse (4313233133), we get a palindrome (37446464473).

The spelling of 33133231340 in words is "thirty-three billion, one hundred thirty-three million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 8081 16162 18637 32324 37274 40405 74548 80810 88891 93185 161620 177782 186370 205007 355564 372740 410014 444455 820028 888910 1025035 1777820 2050070 4100140 150605597 301211194 602422388 753027985 1506055970 1656661567 3012111940 3313323134 6626646268 8283307835 16566615670 33133231340