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221313203413 = 2391361967993
BaseRepresentation
bin1100111000011101001…
…0110111110011010101
3210011020200211121011121
43032013102313303111
512111222140002123
6245400410003541
721663230122201
oct3160722676325
9704220747147
10221313203413
11859495963a5
1236a854165b1
1317b3caa5743
14a9d6963b01
155b5463c75d
hex33874b7cd5

221313203413 has 8 divisors (see below), whose sum is σ = 222258787200. Its totient is φ = 220367783328.

The previous prime is 221313203401. The next prime is 221313203429. The reversal of 221313203413 is 314302313122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221313203413 - 25 = 221313203381 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 (221313203453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3220945 + ... + 3288937.

It is an arithmetic number, because the mean of its divisors is an integer number (27782348400).

Almost surely, 2221313203413 is an apocalyptic number.

It is an amenable number.

221313203413 is a deficient number, since it is larger than the sum of its proper divisors (945583787).

221313203413 is a wasteful number, since it uses less digits than its factorization.

221313203413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81851.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221313203413 its reverse (314302313122), we get a palindrome (535615516535).

The spelling of 221313203413 in words is "two hundred twenty-one billion, three hundred thirteen million, two hundred three thousand, four hundred thirteen".

Divisors: 1 239 13619 67993 3254941 16250327 925996667 221313203413