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1130122243 = 1766477779
BaseRepresentation
bin100001101011100…
…0100110000000011
32220202112011021101
41003113010300003
54303302402433
6304050235231
740001611015
oct10327046003
92822464241
101130122243
1152aa19628
12276585b17
131501994b3
14aa1401b5
156933607d
hex435c4c03

1130122243 has 4 divisors (see below), whose sum is σ = 1196600040. Its totient is φ = 1063644448.

The previous prime is 1130122219. The next prime is 1130122249. The reversal of 1130122243 is 3422210311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130122243 - 25 = 1130122211 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 1130122243.

It is not an unprimeable number, because it can be changed into a prime (1130122249) 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, 33238873 + ... + 33238906.

It is an arithmetic number, because the mean of its divisors is an integer number (299150010).

Almost surely, 21130122243 is an apocalyptic number.

1130122243 is a deficient number, since it is larger than the sum of its proper divisors (66477797).

1130122243 is an equidigital number, since it uses as much as digits as its factorization.

1130122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66477796.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1130122243 is about 33617.2908337361. The cubic root of 1130122243 is about 1041.6179952199.

Adding to 1130122243 its reverse (3422210311), we get a palindrome (4552332554).

The spelling of 1130122243 in words is "one billion, one hundred thirty million, one hundred twenty-two thousand, two hundred forty-three".

Divisors: 1 17 66477779 1130122243