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1117328873 = 8912554257
BaseRepresentation
bin100001010011001…
…0001010111101001
32212212110012001212
41002212101113221
54242014010443
6302512122505
736455065403
oct10246212751
92785405055
101117328873
115237807a1
12272236435
1314a63a35b
14a856db73
156815a618
hex429915e9

1117328873 has 4 divisors (see below), whose sum is σ = 1129883220. Its totient is φ = 1104774528.

The previous prime is 1117328851. The next prime is 1117328903. The reversal of 1117328873 is 3788237111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3788237111 = 31871188653.

It can be written as a sum of positive squares in 2 ways, for example, as 685811344 + 431517529 = 26188^2 + 20773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117328873 - 212 = 1117324777 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 1117328873.

It is not an unprimeable number, because it can be changed into a prime (1117328273) 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, 6277040 + ... + 6277217.

It is an arithmetic number, because the mean of its divisors is an integer number (282470805).

Almost surely, 21117328873 is an apocalyptic number.

It is an amenable number.

1117328873 is a deficient number, since it is larger than the sum of its proper divisors (12554347).

1117328873 is an equidigital number, since it uses as much as digits as its factorization.

1117328873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12554346.

The product of its digits is 56448, while the sum is 41.

The square root of 1117328873 is about 33426.4696460754. The cubic root of 1117328873 is about 1037.6725791783.

The spelling of 1117328873 in words is "one billion, one hundred seventeen million, three hundred twenty-eight thousand, eight hundred seventy-three".

Divisors: 1 89 12554257 1117328873