Search a number
-
+
2013012012 = 22311101150991
BaseRepresentation
bin111011111111100…
…0010000000101100
312012021211121100110
41313333002000230
513110312341022
6531425500020
7100612214454
oct16777020054
95167747313
102013012012
119433247a0
124821a1610
13261081b8b
141514c4d64
15bbad300c
hex77fc202c

2013012012 has 48 divisors (see below), whose sum is σ = 5174797824. Its totient is φ = 603960000.

The previous prime is 2013011999. The next prime is 2013012059. The reversal of 2013012012 is 2102103102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62164 + ... + 88827.

It is an arithmetic number, because the mean of its divisors is an integer number (107808288).

Almost surely, 22013012012 is an apocalyptic number.

2013012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2013012012 is an abundant number, since it is smaller than the sum of its proper divisors (3161785812).

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

2013012012 is a wasteful number, since it uses less digits than its factorization.

2013012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151110 (or 151108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2013012012 is about 44866.6024120392. The cubic root of 2013012012 is about 1262.6474969588.

Adding to 2013012012 its reverse (2102103102), we get a palindrome (4115115114).

The spelling of 2013012012 in words is "two billion, thirteen million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 1111 1212 2222 3333 4444 6666 13332 150991 301982 452973 603964 905946 1660901 1811892 3321802 4982703 6643604 9965406 15250091 19930812 30500182 45750273 61000364 91500546 167751001 183001092 335502002 503253003 671004004 1006506006 2013012012