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212033013331 = 252283840457
BaseRepresentation
bin1100010101111000100…
…1110000011001010011
3202021021221112002121211
43011132021300121103
511433220422411311
6241223455200551
721214242606346
oct3053611603123
9667257462554
10212033013331
1181a17121217
1235115516157
1316cc12723c9
14a39625445d
1557aea66821
hex315e270653

212033013331 has 4 divisors (see below), whose sum is σ = 212034106072. Its totient is φ = 212031920592.

The previous prime is 212033013307. The next prime is 212033013403. The reversal of 212033013331 is 133310330212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212033013331 - 221 = 212030916179 is a prime.

It is a super-2 number, since 2×2120330133312 (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 (212033013131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167946 + ... + 672511.

It is an arithmetic number, because the mean of its divisors is an integer number (53008526518).

Almost surely, 2212033013331 is an apocalyptic number.

212033013331 is a deficient number, since it is larger than the sum of its proper divisors (1092741).

212033013331 is an equidigital number, since it uses as much as digits as its factorization.

212033013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092740.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 212033013331 its reverse (133310330212), we get a palindrome (345343343543).

The spelling of 212033013331 in words is "two hundred twelve billion, thirty-three million, thirteen thousand, three hundred thirty-one".

Divisors: 1 252283 840457 212033013331