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20111120010202 = 2131132968276513
BaseRepresentation
bin1001001001010011111000…
…01010100000101111011010
32122012121022112100220012011
410210221330022200233122
510114000033210311302
6110434530533340134
74143660205356124
oct444517412405732
978177275326164
1020111120010202
116454094a4a411
12230980549764a
13b2b616849570
144d75520ac214
1524d20a4685d7
hex124a7c2a0bda

20111120010202 has 16 divisors (see below), whose sum is σ = 32490061952040. Its totient is φ = 9281235935232.

The previous prime is 20111120010199. The next prime is 20111120010239. The reversal of 20111120010202 is 20201002111102.

It can be written as a sum of positive squares in 4 ways, for example, as 17991501406321 + 2119618603881 = 4241639^2 + 1455891^2 .

It is a super-3 number, since 3×201111200102023 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33843703 + ... + 34432810.

Almost surely, 220111120010202 is an apocalyptic number.

20111120010202 is a deficient number, since it is larger than the sum of its proper divisors (12378941941838).

20111120010202 is a wasteful number, since it uses less digits than its factorization.

20111120010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68287857.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20111120010202 its reverse (20201002111102), we get a palindrome (40312122121304).

The spelling of 20111120010202 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, ten thousand, two hundred two".

Divisors: 1 2 13 26 11329 22658 147277 294554 68276513 136553026 887594669 1775189338 773504615777 1547009231554 10055560005101 20111120010202