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212013300013 = 1773379450767
BaseRepresentation
bin1100010101110011111…
…0100011100100101101
3202021020120102120000221
43011130332203210231
511433200401100023
6241221512451341
721213613213204
oct3053476434455
9667216376027
10212013300013
1181a06a87319
123510a9a9b51
1316cba15c618
14a3937a223b
1557ace7085d
hex315cfa392d

212013300013 has 16 divisors (see below), whose sum is σ = 228160730880. Its totient is φ = 196288759296.

The previous prime is 212013299801. The next prime is 212013300029. The reversal of 212013300013 is 310003310212.

It is a cyclic number.

It is not a de Polignac number, because 212013300013 - 29 = 212013299501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212013300013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013300043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244956 + ... + 695722.

It is an arithmetic number, because the mean of its divisors is an integer number (14260045680).

Almost surely, 2212013300013 is an apocalyptic number.

It is an amenable number.

212013300013 is a deficient number, since it is larger than the sum of its proper divisors (16147430867).

212013300013 is a wasteful number, since it uses less digits than its factorization.

212013300013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451236.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 212013300013 its reverse (310003310212), we get a palindrome (522016610225).

The spelling of 212013300013 in words is "two hundred twelve billion, thirteen million, three hundred thousand, thirteen".

Divisors: 1 17 73 379 1241 6443 27667 450767 470339 7663039 32905991 170840693 559401847 2904291781 12471370589 212013300013