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1110111223 = 13353241907
BaseRepresentation
bin100001000101010…
…1111001111110111
32212100212111022111
41002022233033313
54233142024343
6302053311451
736336534604
oct10212571767
92770774274
101110111223
1151a6a0aa1
1226b935587
13148cb1060
14a76116ab
15676d1c9d
hex422af3f7

1110111223 has 8 divisors (see below), whose sum is σ = 1198896048. Its totient is φ = 1021810944.

The previous prime is 1110111193. The next prime is 1110111241. The reversal of 1110111223 is 3221110111.

It is a happy number.

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-1110111223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110111253) 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, 116365 + ... + 125542.

It is an arithmetic number, because the mean of its divisors is an integer number (149862006).

Almost surely, 21110111223 is an apocalyptic number.

1110111223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1110111223 is a deficient number, since it is larger than the sum of its proper divisors (88784825).

1110111223 is a wasteful number, since it uses less digits than its factorization.

1110111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242273.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1110111223 is about 33318.3316359028. The cubic root of 1110111223 is about 1035.4333869244.

Adding to 1110111223 its reverse (3221110111), we get a palindrome (4331221334).

The spelling of 1110111223 in words is "one billion, one hundred ten million, one hundred eleven thousand, two hundred twenty-three".

Divisors: 1 13 353 4589 241907 3144791 85393171 1110111223