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1112873138 = 21342802813
BaseRepresentation
bin100001001010101…
…0001100010110010
32212120001210221122
41002111101202302
54234343420023
6302232422242
736402160046
oct10225214262
92776053848
101112873138
11521208073
12270847982
1314973a220
14a7b30026
1567a7a2c8
hex425518b2

1112873138 has 8 divisors (see below), whose sum is σ = 1797718188. Its totient is φ = 513633744.

The previous prime is 1112873131. The next prime is 1112873207. The reversal of 1112873138 is 8313782111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 941446489 + 171426649 = 30683^2 + 13093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1112873098 and 1112873107.

It is not an unprimeable number, because it can be changed into a prime (1112873131) 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, 21401381 + ... + 21401432.

Almost surely, 21112873138 is an apocalyptic number.

1112873138 is a deficient number, since it is larger than the sum of its proper divisors (684845050).

1112873138 is a wasteful number, since it uses less digits than its factorization.

1112873138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42802828.

The product of its digits is 8064, while the sum is 35.

The square root of 1112873138 is about 33359.7532664737. The cubic root of 1112873138 is about 1036.2913822142.

The spelling of 1112873138 in words is "one billion, one hundred twelve million, eight hundred seventy-three thousand, one hundred thirty-eight".

Divisors: 1 2 13 26 42802813 85605626 556436569 1112873138