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20112120211010 = 2522323946498117
BaseRepresentation
bin1001001001010101101111…
…10001111110011001000010
32122012200220020102100202112
410210222313301332121002
510114004110233223020
6110435214103215322
74144024042054352
oct444526761763102
978180806370675
1020112120211010
1164545585a0053
122309a44447542
13b2b745b26c69
144d7608c6cb62
1524d2681892c5
hex124ab7c7e642

20112120211010 has 64 divisors (see below), whose sum is σ = 36528662016000. Its totient is φ = 7972565217792.

The previous prime is 20112120210983. The next prime is 20112120211019. The reversal of 20112120211010 is 1011202121102.

It is not an unprimeable number, because it can be changed into a prime (20112120211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2477773472 + ... + 2477781588.

It is an arithmetic number, because the mean of its divisors is an integer number (570760344000).

Almost surely, 220112120211010 is an apocalyptic number.

20112120211010 is a deficient number, since it is larger than the sum of its proper divisors (16416541804990).

20112120211010 is a wasteful number, since it uses less digits than its factorization.

20112120211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13235.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112120211010 its reverse (1011202121102), we get a palindrome (21123322332112).

The spelling of 20112120211010 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, ten".

Divisors: 1 2 5 10 223 239 446 478 1115 1195 2230 2390 4649 8117 9298 16234 23245 40585 46490 53297 81170 106594 266485 532970 1036727 1111111 1810091 1939963 2073454 2222222 3620182 3879926 5183635 5555555 9050455 9699815 10367270 11111110 18100910 19399630 37735933 75471866 188679665 247777753 377359330 432611749 495555506 865223498 1238888765 2163058745 2477777530 4326117490 8415113059 9018887987 16830226118 18037775974 42075565295 45094439935 84151130590 90188879870 2011212021101 4022424042202 10056060105505 20112120211010