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33211300213 = 721352137049
BaseRepresentation
bin11110111011100011…
…000011100101110101
310011201112220212010001
4132323203003211311
51021004043101323
623131305231301
72254002252100
oct367343034565
9104645825101
1033211300213
11130a2a05453
12652a492531
13319378c240
141870b35737
15ce5a0a3ad
hex7bb8c3975

33211300213 has 12 divisors (see below), whose sum is σ = 41605365900. Its totient is φ = 26277072192.

The previous prime is 33211300139. The next prime is 33211300237. The reversal of 33211300213 is 31200311233.

It can be written as a sum of positive squares in 2 ways, for example, as 22595501124 + 10615799089 = 150318^2 + 103033^2 .

It is a de Polignac number, because none of the positive numbers 2k-33211300213 is a prime.

It is a super-3 number, since 3×332113002133 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33211300013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26067888 + ... + 26069161.

It is an arithmetic number, because the mean of its divisors is an integer number (3467113825).

Almost surely, 233211300213 is an apocalyptic number.

It is an amenable number.

33211300213 is a deficient number, since it is larger than the sum of its proper divisors (8394065687).

33211300213 is a wasteful number, since it uses less digits than its factorization.

33211300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52137076 (or 52137069 counting only the distinct ones).

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

Adding to 33211300213 its reverse (31200311233), we get a palindrome (64411611446).

The spelling of 33211300213 in words is "thirty-three billion, two hundred eleven million, three hundred thousand, two hundred thirteen".

Divisors: 1 7 13 49 91 637 52137049 364959343 677781637 2554715401 4744471459 33211300213