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2012003001 = 32487459047
BaseRepresentation
bin111011111101100…
…1011101010111001
312012012221100020200
41313323023222321
513110033044001
6531352112413
7100600512651
oct16773135271
95165840220
102012003001
119427a56a8
12481995709
13260aba828
14151301361
15bb984086
hex77ecbab9

2012003001 has 12 divisors (see below), whose sum is σ = 2912200512. Its totient is φ = 1338578136.

The previous prime is 2012002997. The next prime is 2012003009. The reversal of 2012003001 is 1003002102.

It is a happy number.

It is not a de Polignac number, because 2012003001 - 22 = 2012002997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2012003009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225141 + ... + 233906.

It is an arithmetic number, because the mean of its divisors is an integer number (242683376).

Almost surely, 22012003001 is an apocalyptic number.

It is an amenable number.

2012003001 is a deficient number, since it is larger than the sum of its proper divisors (900197511).

2012003001 is a wasteful number, since it uses less digits than its factorization.

2012003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459540 (or 459537 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2012003001 is about 44855.3564359932. The cubic root of 2012003001 is about 1262.4364967046.

Adding to 2012003001 its reverse (1003002102), we get a palindrome (3015005103).

The spelling of 2012003001 in words is "two billion, twelve million, three thousand, one".

Divisors: 1 3 9 487 1461 4383 459047 1377141 4131423 223555889 670667667 2012003001