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1116274809 = 31328622431
BaseRepresentation
bin100001010001001…
…0000000001111001
32212210110122011110
41002202100001321
54241231243214
6302433350533
736443115336
oct10242200171
92783418143
101116274809
11523120871
12271a08449
1314a35b650
14a837798d
1567eed159
hex42890079

1116274809 has 8 divisors (see below), whose sum is σ = 1602856192. Its totient is φ = 686938320.

The previous prime is 1116274787. The next prime is 1116274813. The reversal of 1116274809 is 9084726111.

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

It is not a de Polignac number, because 1116274809 - 29 = 1116274297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 28622431 = 1116274809 / (1 + 1 + 1 + 6 + 2 + 7 + 4 + 8 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1116274829) 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, 14311177 + ... + 14311254.

It is an arithmetic number, because the mean of its divisors is an integer number (200357024).

Almost surely, 21116274809 is an apocalyptic number.

It is an amenable number.

1116274809 is a deficient number, since it is larger than the sum of its proper divisors (486581383).

1116274809 is a wasteful number, since it uses less digits than its factorization.

1116274809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28622447.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1116274809 is about 33410.6990199247. The cubic root of 1116274809 is about 1037.3461705253.

The spelling of 1116274809 in words is "one billion, one hundred sixteen million, two hundred seventy-four thousand, eight hundred nine".

Divisors: 1 3 13 39 28622431 85867293 372091603 1116274809