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211004120211013 = 964321881584591
BaseRepresentation
bin101111111110100000111001…
…101000011001111001000101
31000200002210111221012010211201
4233332200321220121321011
5210124042414233223023
62024433542111302501
762305354541645143
oct5776407150317105
91020083457163751
10211004120211013
1161261387aa1828
121b7ba018b1aa31
1390977ac1a35cc
143a16922482593
15195da7c316bad
hexbfe839a19e45

211004120211013 has 4 divisors (see below), whose sum is σ = 211026001805248. Its totient is φ = 210982238616780.

The previous prime is 211004120210999. The next prime is 211004120211043. The reversal of 211004120211013 is 310112021400112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211004120211013 - 225 = 211004086656581 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 (211004120211043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10940782653 + ... + 10940801938.

It is an arithmetic number, because the mean of its divisors is an integer number (52756500451312).

Almost surely, 2211004120211013 is an apocalyptic number.

It is an amenable number.

211004120211013 is a deficient number, since it is larger than the sum of its proper divisors (21881594235).

211004120211013 is an equidigital number, since it uses as much as digits as its factorization.

211004120211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881594234.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211004120211013 its reverse (310112021400112), we get a palindrome (521116141611125).

The spelling of 211004120211013 in words is "two hundred eleven trillion, four billion, one hundred twenty million, two hundred eleven thousand, thirteen".

Divisors: 1 9643 21881584591 211004120211013