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33112133020 = 2254993317849
BaseRepresentation
bin11110110101101000…
…110000110110011100
310011110122022122022001
4132311220300312130
51020303201224040
623113403532044
72251356325651
oct366550606634
9104418278261
1033112133020
1113051a3269a
12650122a024
13317907a825
1418618bdc28
15cdbe6c59a
hex7b5a30d9c

33112133020 has 24 divisors (see below), whose sum is σ = 69674850000. Its totient is φ = 13218306432.

The previous prime is 33112132931. The next prime is 33112133083. The reversal of 33112133020 is 2033121133.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1648945 + ... + 1668904.

It is an arithmetic number, because the mean of its divisors is an integer number (2903118750).

Almost surely, 233112133020 is an apocalyptic number.

It is an amenable number.

33112133020 is an abundant number, since it is smaller than the sum of its proper divisors (36562716980).

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

33112133020 is a wasteful number, since it uses less digits than its factorization.

33112133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318357 (or 3318355 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33112133020 its reverse (2033121133), we get a palindrome (35145254153).

The spelling of 33112133020 in words is "thirty-three billion, one hundred twelve million, one hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 499 998 1996 2495 4990 9980 3317849 6635698 13271396 16589245 33178490 66356980 1655606651 3311213302 6622426604 8278033255 16556066510 33112133020