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101213223211 = 397912543621
BaseRepresentation
bin101111001000011000…
…1110011100100101011
3100200020201112110121201
41132100301303210223
53124241041120321
6114255142345031
710212105126262
oct1362061634453
9320221473551
10101213223211
1139a19253711
121774812b177
13970cc838b9
144c822335d9
1529759d8291
hex1790c7392b

101213223211 has 4 divisors (see below), whose sum is σ = 101215806624. Its totient is φ = 101210639800.

The previous prime is 101213223191. The next prime is 101213223217. The reversal of 101213223211 is 112322312101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101213223211 - 221 = 101211126059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101213223217) 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, 1232020 + ... + 1311601.

It is an arithmetic number, because the mean of its divisors is an integer number (25303951656).

Almost surely, 2101213223211 is an apocalyptic number.

101213223211 is a deficient number, since it is larger than the sum of its proper divisors (2583413).

101213223211 is an equidigital number, since it uses as much as digits as its factorization.

101213223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583412.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101213223211 its reverse (112322312101), we get a palindrome (213535535312).

The spelling of 101213223211 in words is "one hundred one billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 39791 2543621 101213223211