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11242481841 = 326120478109
BaseRepresentation
bin10100111100001101…
…01010100010110001
31002000111201020210100
422132012222202301
5141011033404331
65055325223013
7545412342663
oct123606524261
932014636710
1011242481841
11484a0a7008
122219101a69
1310a2237026
14789190533
1545bedaae6
hex29e1aa8b1

11242481841 has 12 divisors (see below), whose sum is σ = 16505356660. Its totient is φ = 7372118880.

The previous prime is 11242481839. The next prime is 11242481843. The reversal of 11242481841 is 14818424211.

It is a happy number.

11242481841 is a `hidden beast` number, since 112 + 424 + 81 + 8 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (11242481839) and next prime (11242481843).

It can be written as a sum of positive squares in 2 ways, for example, as 3961443600 + 7281038241 = 62940^2 + 85329^2 .

It is not a de Polignac number, because 11242481841 - 21 = 11242481839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11242481796 and 11242481805.

It is not an unprimeable number, because it can be changed into a prime (11242481843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10238506 + ... + 10239603.

Almost surely, 211242481841 is an apocalyptic number.

It is an amenable number.

11242481841 is a deficient number, since it is larger than the sum of its proper divisors (5262874819).

11242481841 is a wasteful number, since it uses less digits than its factorization.

11242481841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478176 (or 20478173 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The spelling of 11242481841 in words is "eleven billion, two hundred forty-two million, four hundred eighty-one thousand, eight hundred forty-one".

Divisors: 1 3 9 61 183 549 20478109 61434327 184302981 1249164649 3747493947 11242481841