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32211101213 = 47214581757
BaseRepresentation
bin11101111111111011…
…100110011000011101
310002010211212111000122
4131333323212120131
51011432020214323
622444135404325
72220135562034
oct357773463035
9102124774018
1032211101213
111272a366105
1262ab5236a5
1330644b2605
1417b7d7571b
15c87cd9ec8
hex77fee661d

32211101213 has 6 divisors (see below), whose sum is σ = 32911027806. Its totient is φ = 31525756472.

The previous prime is 32211101191. The next prime is 32211101243. The reversal of 32211101213 is 31210111223.

It can be written as a sum of positive squares in only one way, i.e., 21655182649 + 10555918564 = 147157^2 + 102742^2 .

It is not a de Polignac number, because 32211101213 - 218 = 32210839069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32211101191 and 32211101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32211101243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7288670 + ... + 7293087.

It is an arithmetic number, because the mean of its divisors is an integer number (5485171301).

Almost surely, 232211101213 is an apocalyptic number.

It is an amenable number.

32211101213 is a deficient number, since it is larger than the sum of its proper divisors (699926593).

32211101213 is an equidigital number, since it uses as much as digits as its factorization.

32211101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581851 (or 14581804 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 32211101213 its reverse (31210111223), we get a palindrome (63421212436).

The spelling of 32211101213 in words is "thirty-two billion, two hundred eleven million, one hundred one thousand, two hundred thirteen".

Divisors: 1 47 2209 14581757 685342579 32211101213