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1111100213 = 5918832207
BaseRepresentation
bin100001000111010…
…0000101100110101
32212102201201221202
41002032200230311
54233420201323
6302130422245
736351124136
oct10216405465
92772651852
101111100213
11520207043
12270131985
13149269262
14a77cbc8d
1567829d28
hex423a0b35

1111100213 has 4 divisors (see below), whose sum is σ = 1129932480. Its totient is φ = 1092267948.

The previous prime is 1111100209. The next prime is 1111100219. The reversal of 1111100213 is 3120011111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111100213 - 22 = 1111100209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111100194 and 1111100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9416045 + ... + 9416162.

It is an arithmetic number, because the mean of its divisors is an integer number (282483120).

Almost surely, 21111100213 is an apocalyptic number.

It is an amenable number.

1111100213 is a deficient number, since it is larger than the sum of its proper divisors (18832267).

1111100213 is an equidigital number, since it uses as much as digits as its factorization.

1111100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18832266.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1111100213 is about 33333.1698612658. The cubic root of 1111100213 is about 1035.7407823437.

Adding to 1111100213 its reverse (3120011111), we get a palindrome (4231111324).

The spelling of 1111100213 in words is "one billion, one hundred eleven million, one hundred thousand, two hundred thirteen".

Divisors: 1 59 18832207 1111100213