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11301042221 = 712231320061
BaseRepresentation
bin10101000011001100…
…00011100000101101
31002011120220102112022
422201212003200231
5141121031322341
65105220315525
7550023162650
oct124146034055
932146812468
1011301042221
11487a164317
122234842ba5
1310b13cb941
14792c75897
15462206e4b
hex2a198382d

11301042221 has 8 divisors (see below), whose sum is σ = 12926047104. Its totient is φ = 9678679920.

The previous prime is 11301042211. The next prime is 11301042253. The reversal of 11301042221 is 12224010311.

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

It is a de Polignac number, because none of the positive numbers 2k-11301042221 is a prime.

It is a super-2 number, since 2×113010422212 (a number of 21 digits) contains 22 as substring.

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 11301042221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301042211) 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, 651470 + ... + 668591.

It is an arithmetic number, because the mean of its divisors is an integer number (1615755888).

Almost surely, 211301042221 is an apocalyptic number.

It is an amenable number.

11301042221 is a deficient number, since it is larger than the sum of its proper divisors (1625004883).

11301042221 is a wasteful number, since it uses less digits than its factorization.

11301042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321291.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11301042221 its reverse (12224010311), we get a palindrome (23525052532).

The spelling of 11301042221 in words is "eleven billion, three hundred one million, forty-two thousand, two hundred twenty-one".

Divisors: 1 7 1223 8561 1320061 9240427 1614434603 11301042221