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33122013 = 393711783
BaseRepresentation
bin111111001011…
…0011011011101
32022022202212020
41332112123131
531434401023
63141530353
7551350431
oct176263335
968282766
1033122013
1117773071
12b1139b9
136b29032
1445829c1
152d93de3
hex1f966dd

33122013 has 8 divisors (see below), whose sum is σ = 44213568. Its totient is φ = 22055904.

The previous prime is 33122009. The next prime is 33122021. The reversal of 33122013 is 31022133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33122013 - 22 = 33122009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33121983 and 33122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081 + ... + 8702.

It is an arithmetic number, because the mean of its divisors is an integer number (5526696).

Almost surely, 233122013 is an apocalyptic number.

It is an amenable number.

33122013 is a deficient number, since it is larger than the sum of its proper divisors (11091555).

33122013 is a wasteful number, since it uses less digits than its factorization.

33122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12723.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 33122013 is about 5755.1727167827. The cubic root of 33122013 is about 321.1482608178.

Adding to 33122013 its reverse (31022133), we get a palindrome (64144146).

The spelling of 33122013 in words is "thirty-three million, one hundred twenty-two thousand, thirteen".

Divisors: 1 3 937 2811 11783 35349 11040671 33122013