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212033697169 = 730290528167
BaseRepresentation
bin1100010101111000110…
…0010111010110010001
3202021021222210211200011
43011132030113112101
511433221111302134
6241223521554521
721214251455140
oct3053614272621
9667258724604
10212033697169
1181a17548a78
12351157a5a41
1316cc1451748
14a396391757
1557aeb4e264
hex315e317591

212033697169 has 4 divisors (see below), whose sum is σ = 242324225344. Its totient is φ = 181743168996.

The previous prime is 212033697167. The next prime is 212033697203. The reversal of 212033697169 is 961796330212.

212033697169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212033697169 - 21 = 212033697167 is a prime.

It is a super-2 number, since 2×2120336971692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212033697167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15145264077 + ... + 15145264090.

It is an arithmetic number, because the mean of its divisors is an integer number (60581056336).

Almost surely, 2212033697169 is an apocalyptic number.

It is an amenable number.

212033697169 is a deficient number, since it is larger than the sum of its proper divisors (30290528175).

212033697169 is an equidigital number, since it uses as much as digits as its factorization.

212033697169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30290528174.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 212033697169 in words is "two hundred twelve billion, thirty-three million, six hundred ninety-seven thousand, one hundred sixty-nine".

Divisors: 1 7 30290528167 212033697169