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111104001013 = 137098104457
BaseRepresentation
bin110011101111001010…
…0001000001111110101
3101121210000210001001111
41213132110020033311
53310020111013023
6123012424155021
711012155266205
oct1473624101765
9347700701044
10111104001013
1143134348445
1219648608a71
13a62814ba45
14553da84405
152d53ebe00d
hex19de5083f5

111104001013 has 4 divisors (see below), whose sum is σ = 111112119180. Its totient is φ = 111095882848.

The previous prime is 111104000947. The next prime is 111104001053. The reversal of 111104001013 is 310100401111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310100401111 = 427172606041.

It can be written as a sum of positive squares in 2 ways, for example, as 82818479524 + 28285521489 = 287782^2 + 168183^2 .

It is a cyclic number.

It is not a de Polignac number, because 111104001013 - 225 = 111070446581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111104000984 and 111104001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111104001053) 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, 4038520 + ... + 4065937.

It is an arithmetic number, because the mean of its divisors is an integer number (27778029795).

Almost surely, 2111104001013 is an apocalyptic number.

It is an amenable number.

111104001013 is a deficient number, since it is larger than the sum of its proper divisors (8118167).

111104001013 is an equidigital number, since it uses as much as digits as its factorization.

111104001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118166.

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

Adding to 111104001013 its reverse (310100401111), we get a palindrome (421204402124).

The spelling of 111104001013 in words is "one hundred eleven billion, one hundred four million, one thousand, thirteen".

Divisors: 1 13709 8104457 111104001013