Base | Representation |
---|---|
bin | 111011111111101… |
… | …1111010101010000 |
3 | 12012022001201002121 |
4 | 1313333133111100 |
5 | 13110330211422 |
6 | 531432224024 |
7 | 100613224555 |
oct | 16777372520 |
9 | 5168051077 |
10 | 2013132112 |
11 | 9433a6a52 |
12 | 48223b014 |
13 | 2610c4744 |
14 | 151516a2c |
15 | bbb088c7 |
hex | 77fdf550 |
2013132112 has 40 divisors (see below), whose sum is σ = 4241520936. Its totient is φ = 921747456.
The previous prime is 2013132073. The next prime is 2013132131. The reversal of 2013132112 is 2112313102.
It can be written as a sum of positive squares in 4 ways, for example, as 1250046736 + 763085376 = 35356^2 + 27624^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
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, 89953 + ... + 110080.
Almost surely, 22013132112 is an apocalyptic number.
It is an amenable number.
2013132112 is an abundant number, since it is smaller than the sum of its proper divisors (2228388824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013132112 is a wasteful number, since it uses less digits than its factorization.
2013132112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200095 (or 200089 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2013132112 is about 44867.9408040975. The cubic root of 2013132112 is about 1262.6726070836.
Adding to 2013132112 its reverse (2112313102), we get a palindrome (4125445214).
It can be divided in two parts, 201 and 3132112, that added together give a palindrome (3132313).
The spelling of 2013132112 in words is "two billion, thirteen million, one hundred thirty-two thousand, one hundred twelve".
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