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221300132101 = 719307788779
BaseRepresentation
bin1100111000011010000…
…1000000100100000101
3210011012210020111200221
43032012201000210011
512111210313211401
6245355221504341
721663011041336
oct3160641004405
9704183214627
10221300132101
1185942178764
1236a80b720b1
1317b3a179c39
14a9d4d2028d
155b534097a1
hex3386840905

221300132101 has 4 divisors (see below), whose sum is σ = 221607921600. Its totient is φ = 220992342604.

The previous prime is 221300132089. The next prime is 221300132129. The reversal of 221300132101 is 101231003122.

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 221300132101 - 29 = 221300131589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300162101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153893671 + ... + 153895108.

It is an arithmetic number, because the mean of its divisors is an integer number (55401980400).

Almost surely, 2221300132101 is an apocalyptic number.

It is an amenable number.

221300132101 is a deficient number, since it is larger than the sum of its proper divisors (307789499).

221300132101 is an equidigital number, since it uses as much as digits as its factorization.

221300132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307789498.

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

Adding to 221300132101 its reverse (101231003122), we get a palindrome (322531135223).

The spelling of 221300132101 in words is "two hundred twenty-one billion, three hundred million, one hundred thirty-two thousand, one hundred one".

Divisors: 1 719 307788779 221300132101