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2012504645 = 51867215587
BaseRepresentation
bin111011111110100…
…0110001001000101
312012020212211101002
41313331012021011
513110200122040
6531410543045
7100605002324
oct16775061105
95166784332
102012504645
11943008588
12481b97a85
13260c34c68
141513d20bb
15bba32a15
hex77f46245

2012504645 has 8 divisors (see below), whose sum is σ = 2416310304. Its totient is φ = 1609133904.

The previous prime is 2012504633. The next prime is 2012504651. The reversal of 2012504645 is 5464052102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012504645 - 26 = 2012504581 is a prime.

It is a super-2 number, since 2×20125046452 = 8100349892293152050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98459 + ... + 117128.

It is an arithmetic number, because the mean of its divisors is an integer number (302038788).

Almost surely, 22012504645 is an apocalyptic number.

It is an amenable number.

2012504645 is a deficient number, since it is larger than the sum of its proper divisors (403805659).

2012504645 is a wasteful number, since it uses less digits than its factorization.

2012504645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217459.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2012504645 is about 44860.9478834320. The cubic root of 2012504645 is about 1262.5414072620.

Adding to 2012504645 its reverse (5464052102), we get a palindrome (7476556747).

The spelling of 2012504645 in words is "two billion, twelve million, five hundred four thousand, six hundred forty-five".

Divisors: 1 5 1867 9335 215587 1077935 402500929 2012504645