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1110111012 = 223230836417
BaseRepresentation
bin100001000101010…
…1111001100100100
32212100212111000200
41002022233030210
54233142023022
6302053310500
736336534153
oct10212571444
92770774020
101110111012
1151a6a091a
1226b935430
13148cb0c2a
14a761159a
15676d1bac
hex422af324

1110111012 has 18 divisors (see below), whose sum is σ = 2806114038. Its totient is φ = 370036992.

The previous prime is 1110110993. The next prime is 1110111029. The reversal of 1110111012 is 2101110111.

It can be written as a sum of positive squares in only one way, i.e., 887086656 + 223024356 = 29784^2 + 14934^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1110110985 and 1110111003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15418173 + ... + 15418244.

Almost surely, 21110111012 is an apocalyptic number.

1110111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1110111012 is an abundant number, since it is smaller than the sum of its proper divisors (1696003026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110111012 is a wasteful number, since it uses less digits than its factorization.

1110111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30836427 (or 30836422 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1110111012 is about 33318.3284694776. The cubic root of 1110111012 is about 1035.4333213225.

Adding to 1110111012 its reverse (2101110111), we get a palindrome (3211221123).

Subtracting 1110111012 from its reverse (2101110111), we obtain a palindrome (990999099).

The spelling of 1110111012 in words is "one billion, one hundred ten million, one hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 30836417 61672834 92509251 123345668 185018502 277527753 370037004 555055506 1110111012