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2012894664 = 233117624601
BaseRepresentation
bin111011111111010…
…0101010111001000
312012021121122101020
41313332211113020
513110300112124
6531423152440
7100611215364
oct16776452710
95167548336
102012894664
11943254610
12482145720
13261040641
141514942a4
15bbaad379
hex77fa55c8

2012894664 has 32 divisors (see below), whose sum is σ = 5489713440. Its totient is φ = 609968000.

The previous prime is 2012894623. The next prime is 2012894677. The reversal of 2012894664 is 4664982102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3812037 + ... + 3812564.

It is an arithmetic number, because the mean of its divisors is an integer number (171553545).

Almost surely, 22012894664 is an apocalyptic number.

2012894664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2012894664 is an abundant number, since it is smaller than the sum of its proper divisors (3476818776).

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

2012894664 is a wasteful number, since it uses less digits than its factorization.

2012894664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624621 (or 7624617 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2012894664 is about 44865.2946496510. The cubic root of 2012894664 is about 1262.6229612486.

The spelling of 2012894664 in words is "two billion, twelve million, eight hundred ninety-four thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 7624601 15249202 22873803 30498404 45747606 60996808 83870611 91495212 167741222 182990424 251611833 335482444 503223666 670964888 1006447332 2012894664