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1010112111112 = 231317393558421
BaseRepresentation
bin11101011001011110101…
…11111010001000001000
310120120021110010220010211
432230233113322020020
5113022202200023422
62052012240050504
7132656343164356
oct16545727721010
93516243126124
101010112111112
1135a427a53715
12143924603a34
137433a27a240
1436c654307d6
151b41e3bc577
hexeb2f5fa208

1010112111112 has 32 divisors (see below), whose sum is σ = 2039770376280. Its totient is φ = 466177950720.

The previous prime is 1010112111077. The next prime is 1010112111131. The reversal of 1010112111112 is 2111112110101.

It can be written as a sum of positive squares in 4 ways, for example, as 633148038436 + 376964072676 = 795706^2 + 613974^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1010112111092 and 1010112111101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529662 + ... + 2088082.

Almost surely, 21010112111112 is an apocalyptic number.

It is an amenable number.

1010112111112 is an abundant number, since it is smaller than the sum of its proper divisors (1029658265168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010112111112 is a wasteful number, since it uses less digits than its factorization.

1010112111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575833 (or 575829 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1010112111112 its reverse (2111112110101), we get a palindrome (3121224221213).

The spelling of 1010112111112 in words is "one trillion, ten billion, one hundred twelve million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 17393 34786 69572 139144 226109 452218 558421 904436 1116842 1808872 2233684 4467368 7259473 14518946 29037892 58075784 9712616453 19425232906 38850465812 77700931624 126264013889 252528027778 505056055556 1010112111112