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20102021102102 = 21011134919179033
BaseRepresentation
bin1001001001000010111011…
…10100111011101000010110
32122011201211102011110202212
410210201131310323220112
510113322414400231402
6110430424020233422
74143215552051222
oct444413564735026
978151742143685
1020102021102102
116450245943055
122307aa623b872
13b2a7c6748784
144d6d2b8ab782
1524cd76750952
hex12485dd3ba16

20102021102102 has 32 divisors (see below), whose sum is σ = 30727476515520. Its totient is φ = 9861369011200.

The previous prime is 20102021102099. The next prime is 20102021102131. The reversal of 20102021102102 is 20120112020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112191578 + ... + 112370610.

It is an arithmetic number, because the mean of its divisors is an integer number (960233641110).

Almost surely, 220102021102102 is an apocalyptic number.

20102021102102 is a deficient number, since it is larger than the sum of its proper divisors (10625455413418).

20102021102102 is a wasteful number, since it uses less digits than its factorization.

20102021102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184168.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102021102102 its reverse (20120112020102), we get a palindrome (40222133122204).

The spelling of 20102021102102 in words is "twenty trillion, one hundred two billion, twenty-one million, one hundred two thousand, one hundred two".

Divisors: 1 2 101 113 202 226 4919 9838 11413 22826 179033 358066 496819 555847 993638 1111694 18082333 20230729 36164666 40461458 56140547 112281094 880663327 1761326654 2043303629 4086607258 88946996027 99514955951 177893992054 199029911902 10051010551051 20102021102102