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113221230101 = 729413245473
BaseRepresentation
bin110100101110010000…
…0101101111000010101
3101211020120201102100122
41221130200231320111
53323334113330401
6124002455521325
711115504401600
oct1513440557025
9354216642318
10113221230101
1144020483a51
1219b39689245
13a8a498ca15
1456a0d37337
152e29cdb21b
hex1a5c82de15

113221230101 has 12 divisors (see below), whose sum is σ = 131720857452. Its totient is φ = 97036063488.

The previous prime is 113221230091. The next prime is 113221230119. The reversal of 113221230101 is 101032122311.

It can be written as a sum of positive squares in 2 ways, for example, as 68605229476 + 44616000625 = 261926^2 + 211225^2 .

It is not a de Polignac number, because 113221230101 - 214 = 113221213717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113221230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221200101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338501 + ... + 583973.

It is an arithmetic number, because the mean of its divisors is an integer number (10976738121).

Almost surely, 2113221230101 is an apocalyptic number.

It is an amenable number.

113221230101 is a deficient number, since it is larger than the sum of its proper divisors (18499627351).

113221230101 is an equidigital number, since it uses as much as digits as its factorization.

113221230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254900 (or 254893 counting only the distinct ones).

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

Adding to 113221230101 its reverse (101032122311), we get a palindrome (214253352412).

The spelling of 113221230101 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred thirty thousand, one hundred one".

Divisors: 1 7 49 9413 65891 245473 461237 1718311 12028177 2310637349 16174461443 113221230101