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1111123030213 = 7158731861459
BaseRepresentation
bin10000001010110100000…
…101111111000011000101
310221020000002000020200201
4100022310011333003011
5121201034443431323
62210235354410501
7143163443632030
oct20126405770305
93836002006621
101111123030213
11399251a90249
1215b414a30a31
1380a1734ab61
143bac8842017
151dd822438ad
hex102b417f0c5

1111123030213 has 4 divisors (see below), whose sum is σ = 1269854891680. Its totient is φ = 952391168748.

The previous prime is 1111123030211. The next prime is 1111123030243. The reversal of 1111123030213 is 3120303211111.

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 1111123030213 - 21 = 1111123030211 is a prime.

It is a super-3 number, since 3×11111230302133 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111123030211) 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, 79365930723 + ... + 79365930736.

It is an arithmetic number, because the mean of its divisors is an integer number (317463722920).

Almost surely, 21111123030213 is an apocalyptic number.

It is an amenable number.

1111123030213 is a deficient number, since it is larger than the sum of its proper divisors (158731861467).

1111123030213 is an equidigital number, since it uses as much as digits as its factorization.

1111123030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158731861466.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1111123030213 its reverse (3120303211111), we get a palindrome (4231426241324).

The spelling of 1111123030213 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, thirty thousand, two hundred thirteen".

Divisors: 1 7 158731861459 1111123030213