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11282355989 = 34549326561
BaseRepresentation
bin10101000000111101…
…10001011100010101
31002010021202001211122
422200132301130111
5141101240342424
65103312013325
7546405305102
oct124036613425
932107661748
1011282355989
11486a661053
12222a531245
1310aa5884b8
147905adaa9
1546076545e
hex2a07b1715

11282355989 has 4 divisors (see below), whose sum is σ = 11282717100. Its totient is φ = 11281994880.

The previous prime is 11282355961. The next prime is 11282356003. The reversal of 11282355989 is 98955328211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98955328211 = 195208175169.

It can be written as a sum of positive squares in 2 ways, for example, as 9504300100 + 1778055889 = 97490^2 + 42167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11282355989 is a prime.

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 11282355989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11282355289) 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, 128732 + ... + 197829.

It is an arithmetic number, because the mean of its divisors is an integer number (2820679275).

Almost surely, 211282355989 is an apocalyptic number.

It is an amenable number.

11282355989 is a deficient number, since it is larger than the sum of its proper divisors (361111).

11282355989 is an equidigital number, since it uses as much as digits as its factorization.

11282355989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361110.

The product of its digits is 1555200, while the sum is 53.

The spelling of 11282355989 in words is "eleven billion, two hundred eighty-two million, three hundred fifty-five thousand, nine hundred eighty-nine".

Divisors: 1 34549 326561 11282355989