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212020011313 = 1119274546483
BaseRepresentation
bin1100010101110101100…
…0001010000100110001
3202021021001001112012121
43011131120022010301
511433204110330223
6241222312354241
721214024234525
oct3053530120461
9667231045177
10212020011313
1181a0a850650
12351110a5981
1316cbb66c2c6
14a39462bd85
1557ad84915d
hex315d60a131

212020011313 has 4 divisors (see below), whose sum is σ = 231294557808. Its totient is φ = 192745464820.

The previous prime is 212020011283. The next prime is 212020011367. The reversal of 212020011313 is 313110020212.

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 212020011313 - 221 = 212017914161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020011113) 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, 9637273231 + ... + 9637273252.

It is an arithmetic number, because the mean of its divisors is an integer number (57823639452).

Almost surely, 2212020011313 is an apocalyptic number.

It is an amenable number.

212020011313 is a deficient number, since it is larger than the sum of its proper divisors (19274546495).

212020011313 is a wasteful number, since it uses less digits than its factorization.

212020011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19274546494.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212020011313 its reverse (313110020212), we get a palindrome (525130031525).

The spelling of 212020011313 in words is "two hundred twelve billion, twenty million, eleven thousand, three hundred thirteen".

Divisors: 1 11 19274546483 212020011313