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2012313201 = 361791091277
BaseRepresentation
bin111011111110001…
…0111011001110001
312012020112002202120
41313330113121301
513110123010301
6531402504453
7100603244223
oct16774273161
95166462676
102012313201
11942997768
12481b05129
13260b98a92
14151382413
15bb9e5e36
hex77f17671

2012313201 has 32 divisors (see below), whose sum is σ = 2789107200. Its totient is φ = 1289882880.

The previous prime is 2012313187. The next prime is 2012313211. The reversal of 2012313201 is 1023132102.

It is not a de Polignac number, because 2012313201 - 27 = 2012313073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012313211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1575175 + ... + 1576451.

It is an arithmetic number, because the mean of its divisors is an integer number (87159600).

Almost surely, 22012313201 is an apocalyptic number.

It is an amenable number.

2012313201 is a deficient number, since it is larger than the sum of its proper divisors (776793999).

2012313201 is a wasteful number, since it uses less digits than its factorization.

2012313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2012313201 is about 44858.8140837450. The cubic root of 2012313201 is about 1262.5013719686.

Adding to 2012313201 its reverse (1023132102), we get a palindrome (3035445303).

The spelling of 2012313201 in words is "two billion, twelve million, three hundred thirteen thousand, two hundred one".

Divisors: 1 3 61 79 109 183 237 327 1277 3831 4819 6649 8611 14457 19947 25833 77897 100883 139193 233691 302649 417579 525271 1575813 6153863 8490773 10996247 18461589 25472319 32988741 670771067 2012313201