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20101220112014 = 210050610056007
BaseRepresentation
bin1001001001000001011100…
…00101011001011010001110
32122011122202120221221221022
410210200232011121122032
510113314244322041024
6110430212324234142
74143156654542156
oct444405605313216
978148676857838
1020101220112014
11644a974796378
122307901b3b952
13b2a6c980a042
144d6c93365766
1524cd2b28035e
hex12482e15968e

20101220112014 has 4 divisors (see below), whose sum is σ = 30151830168024. Its totient is φ = 10050610056006.

The previous prime is 20101220112013. The next prime is 20101220112023. The reversal of 20101220112014 is 41021102210102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×201012201120142 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101220111983 and 20101220112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101220112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025305028002 + ... + 5025305028005.

It is an arithmetic number, because the mean of its divisors is an integer number (7537957542006).

Almost surely, 220101220112014 is an apocalyptic number.

20101220112014 is a deficient number, since it is larger than the sum of its proper divisors (10050610056010).

20101220112014 is a wasteful number, since it uses less digits than its factorization.

20101220112014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050610056009.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20101220112014 its reverse (41021102210102), we get a palindrome (61122322322116).

The spelling of 20101220112014 in words is "twenty trillion, one hundred one billion, two hundred twenty million, one hundred twelve thousand, fourteen".

Divisors: 1 2 10050610056007 20101220112014