Search a number
-
+
1110312109 = 17201732381
BaseRepresentation
bin100001000101110…
…0000010010101101
32212101020200212201
41002023200102231
54233214441414
6302101501501
736341332354
oct10213402255
92771220781
101110312109
1151a818a15
1226ba11891
1314905161a
14a766499b
1567721574
hex422e04ad

1110312109 has 8 divisors (see below), whose sum is σ = 1176243768. Its totient is φ = 1044449280.

The previous prime is 1110312083. The next prime is 1110312157. The reversal of 1110312109 is 9012130111.

1110312109 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 560268900 + 550043209 = 23670^2 + 23453^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1110312109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110312809) 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, 18099 + ... + 50479.

It is an arithmetic number, because the mean of its divisors is an integer number (147030471).

Almost surely, 21110312109 is an apocalyptic number.

It is an amenable number.

1110312109 is a deficient number, since it is larger than the sum of its proper divisors (65931659).

1110312109 is a wasteful number, since it uses less digits than its factorization.

1110312109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34415.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1110312109 is about 33321.3461462769. The cubic root of 1110312109 is about 1035.4958405842.

The spelling of 1110312109 in words is "one billion, one hundred ten million, three hundred twelve thousand, one hundred nine".

Divisors: 1 17 2017 32381 34289 550477 65312477 1110312109