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213314123122015 = 51921227105780931
BaseRepresentation
bin110000100000001000010000…
…100010001100010101011111
31000222021122001000012112211011
4300200020100202030111133
5210424414311004401030
62033403053314440051
762634302553503446
oct6040102042142537
91028248030175734
10213314123122015
1161a72014461a03
121bb11858293027
139204587a32a16
143a9665c753d5d
15199dbcac38b2a
hexc2021088c55f

213314123122015 has 16 divisors (see below), whose sum is σ = 269462114939520. Its totient is φ = 161662033452960.

The previous prime is 213314123122013. The next prime is 213314123122039. The reversal of 213314123122015 is 510221321413312.

It is not a de Polignac number, because 213314123122015 - 21 = 213314123122013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213314123122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50873901 + ... + 54907030.

It is an arithmetic number, because the mean of its divisors is an integer number (16841382183720).

Almost surely, 2213314123122015 is an apocalyptic number.

213314123122015 is a deficient number, since it is larger than the sum of its proper divisors (56147991817505).

213314123122015 is a wasteful number, since it uses less digits than its factorization.

213314123122015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105802182.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 213314123122015 its reverse (510221321413312), we get a palindrome (723535444535327).

The spelling of 213314123122015 in words is "two hundred thirteen trillion, three hundred fourteen billion, one hundred twenty-three million, one hundred twenty-two thousand, fifteen".

Divisors: 1 5 19 95 21227 106135 403313 2016565 105780931 528904655 2009837689 10049188445 2245411822337 11227059111685 42662824624403 213314123122015