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2001012000211 = 71031277263683
BaseRepresentation
bin11101000111100101100…
…111000000010111010011
321002021221222002210021101
4131013211213000113103
5230241033033001321
64131130251405231
7264365641236010
oct35074547002723
97067858083241
102001012000211
117016961205a4
12283986a53817
13116905113673
146cbc7042707
15370b6c7e791
hex1d1e59c05d3

2001012000211 has 8 divisors (see below), whose sum is σ = 2289088975104. Its totient is φ = 1713489554760.

The previous prime is 2001012000167. The next prime is 2001012000241. The reversal of 2001012000211 is 1120002101002.

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 2001012000211 - 29 = 2001011999699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001012000241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138624625 + ... + 138639058.

It is an arithmetic number, because the mean of its divisors is an integer number (286136121888).

Almost surely, 22001012000211 is an apocalyptic number.

2001012000211 is a deficient number, since it is larger than the sum of its proper divisors (288076974893).

2001012000211 is a wasteful number, since it uses less digits than its factorization.

2001012000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277264721.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2001012000211 its reverse (1120002101002), we get a palindrome (3121014101213).

The spelling of 2001012000211 in words is "two trillion, one billion, twelve million, two hundred eleven", and thus it is an aban number.

Divisors: 1 7 1031 7217 277263683 1940845781 285858857173 2001012000211