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111113123293 = 277401130409
BaseRepresentation
bin110011101111011011…
…0111011010111011101
3101121210122221111110201
41213132312323113131
53310024424421133
6123013351503501
711012325651604
oct1473666732735
9347718844421
10111113123293
1143139509117
121964b687b91
13a629cc3c43
145540d7aa3b
152d54bc1d7d
hex19dedbb5dd

111113123293 has 4 divisors (see below), whose sum is σ = 111514253980. Its totient is φ = 110711992608.

The previous prime is 111113123281. The next prime is 111113123327. The reversal of 111113123293 is 392321311111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59976989604 + 51136133689 = 244902^2 + 226133^2 .

It is a cyclic number.

It is not a de Polignac number, because 111113123293 - 225 = 111079568861 is a prime.

It is a super-2 number, since 2×1111131232932 (a number of 23 digits) contains 22 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 (111113123243) 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, 200564928 + ... + 200565481.

It is an arithmetic number, because the mean of its divisors is an integer number (27878563495).

Almost surely, 2111113123293 is an apocalyptic number.

It is an amenable number.

111113123293 is a deficient number, since it is larger than the sum of its proper divisors (401130687).

111113123293 is an equidigital number, since it uses as much as digits as its factorization.

111113123293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401130686.

The product of its digits is 972, while the sum is 28.

The spelling of 111113123293 in words is "one hundred eleven billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred ninety-three".

Divisors: 1 277 401130409 111113123293