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11301220223 = 23491357401
BaseRepresentation
bin10101000011001101…
…01110111101111111
31002011121020110200222
422201212232331333
5141121103021343
65105224211555
7550024533626
oct124146567577
932147213628
1011301220223
11487a276027
122234909bbb
1310b1461977
14792cc06bd
1546223ea68
hex2a19aef7f

11301220223 has 4 divisors (see below), whose sum is σ = 11792577648. Its totient is φ = 10809862800.

The previous prime is 11301220213. The next prime is 11301220241. The reversal of 11301220223 is 32202210311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202210311 = 269119710819.

It is a cyclic number.

It is not a de Polignac number, because 11301220223 - 24 = 11301220207 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 (11301220213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245678678 + ... + 245678723.

It is an arithmetic number, because the mean of its divisors is an integer number (2948144412).

Almost surely, 211301220223 is an apocalyptic number.

11301220223 is a deficient number, since it is larger than the sum of its proper divisors (491357425).

11301220223 is an equidigital number, since it uses as much as digits as its factorization.

11301220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491357424.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11301220223 its reverse (32202210311), we get a palindrome (43503430534).

The spelling of 11301220223 in words is "eleven billion, three hundred one million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 23 491357401 11301220223