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11244248081 = 111022204371
BaseRepresentation
bin10100111100011010…
…11001110000010001
31002000122000222121122
422132031121300101
5141012011414311
65055431132025
7545433350243
oct123615316021
932018028548
1011244248081
1148500a3010
122219814015
1310a2704c41
147894d0093
1545c2390db
hex29e359c11

11244248081 has 4 divisors (see below), whose sum is σ = 12266452464. Its totient is φ = 10222043700.

The previous prime is 11244248077. The next prime is 11244248131. The reversal of 11244248081 is 18084244211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18084244211 = 111644022201.

It is not a de Polignac number, because 11244248081 - 22 = 11244248077 is a prime.

It is a super-2 number, since 2×112442480812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11244208081) 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, 511102175 + ... + 511102196.

It is an arithmetic number, because the mean of its divisors is an integer number (3066613116).

Almost surely, 211244248081 is an apocalyptic number.

11244248081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11244248081 is a deficient number, since it is larger than the sum of its proper divisors (1022204383).

11244248081 is a wasteful number, since it uses less digits than its factorization.

11244248081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022204382.

The product of its (nonzero) digits is 16384, while the sum is 35.

The spelling of 11244248081 in words is "eleven billion, two hundred forty-four million, two hundred forty-eight thousand, eighty-one".

Divisors: 1 11 1022204371 11244248081