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2001211119973 = 13228979408623
BaseRepresentation
bin11101000111110001011…
…110100101100101100101
321002022110211210010020101
4131013301132211211211
5230241440021314343
64131202123304101
7264403606566052
oct35076136454545
97068424703211
102001211119973
1170178856218a
12283a2167b031
13116937450100
146cc05676029
15370c94b2e4d
hex1d1f17a5965

2001211119973 has 12 divisors (see below), whose sum is σ = 2167072004160. Its totient is φ = 1847203537296.

The previous prime is 2001211119949. The next prime is 2001211119977. The reversal of 2001211119973 is 3799111121002.

It is a de Polignac number, because none of the positive numbers 2k-2001211119973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001211119977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4693140 + ... + 5101762.

It is an arithmetic number, because the mean of its divisors is an integer number (180589333680).

Almost surely, 22001211119973 is an apocalyptic number.

It is an amenable number.

2001211119973 is a deficient number, since it is larger than the sum of its proper divisors (165860884187).

2001211119973 is a wasteful number, since it uses less digits than its factorization.

2001211119973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437628 (or 437615 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 37.

The spelling of 2001211119973 in words is "two trillion, one billion, two hundred eleven million, one hundred nineteen thousand, nine hundred seventy-three".

Divisors: 1 13 169 28979 376727 408623 4897451 5312099 69057287 11841485917 153939316921 2001211119973