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1116344993 = 1979356401
BaseRepresentation
bin100001010001010…
…0001001010100001
32212210121012102212
41002202201022201
54241241014433
6302435051505
736443530061
oct10242411241
92783535385
101116344993
11523169575
12271a40b95
1314a38458a
14a83953a1
1568013d48
hex428a12a1

1116344993 has 4 divisors (see below), whose sum is σ = 1116421188. Its totient is φ = 1116268800.

The previous prime is 1116344969. The next prime is 1116345011. The reversal of 1116344993 is 3994436111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 806162449 + 310182544 = 28393^2 + 17612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116344993 - 226 = 1049236129 is a prime.

It is a super-2 number, since 2×11163449932 = 2492452286792340098, which 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 1116344993.

It is not an unprimeable number, because it can be changed into a prime (1116344293) 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, 8408 + ... + 47993.

It is an arithmetic number, because the mean of its divisors is an integer number (279105297).

Almost surely, 21116344993 is an apocalyptic number.

It is an amenable number.

1116344993 is a deficient number, since it is larger than the sum of its proper divisors (76195).

1116344993 is an equidigital number, since it uses as much as digits as its factorization.

1116344993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76194.

The product of its digits is 69984, while the sum is 41.

The square root of 1116344993 is about 33411.7493256489. The cubic root of 1116344993 is about 1037.3679105655.

The spelling of 1116344993 in words is "one billion, one hundred sixteen million, three hundred forty-four thousand, nine hundred ninety-three".

Divisors: 1 19793 56401 1116344993