Search a number
-
+
33202031213 = 1319134421179
BaseRepresentation
bin11110111010111111…
…101100101001101101
310011200220110221102202
4132322333230221231
51020444204444323
623130334431245
72253530415551
oct367277545155
9104626427382
1033202031213
111309875451a
126527362525
133191895320
14186d801861
15ce4cc8d28
hex7bafeca6d

33202031213 has 8 divisors (see below), whose sum is σ = 37637930400. Its totient is φ = 29034974448.

The previous prime is 33202031197. The next prime is 33202031221. The reversal of 33202031213 is 31213020233.

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

It is a cyclic number.

It is not a de Polignac number, because 33202031213 - 24 = 33202031197 is a prime.

It is a super-2 number, since 2×332020312132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33202031263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67210343 + ... + 67210836.

It is an arithmetic number, because the mean of its divisors is an integer number (4704741300).

Almost surely, 233202031213 is an apocalyptic number.

It is an amenable number.

33202031213 is a deficient number, since it is larger than the sum of its proper divisors (4435899187).

33202031213 is a wasteful number, since it uses less digits than its factorization.

33202031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134421211.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33202031213 its reverse (31213020233), we get a palindrome (64415051446).

The spelling of 33202031213 in words is "thirty-three billion, two hundred two million, thirty-one thousand, two hundred thirteen".

Divisors: 1 13 19 247 134421179 1747475327 2554002401 33202031213