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20101011010102 = 21141271657712503
BaseRepresentation
bin1001001001000001000011…
…00111101111001000110110
32122011122020000111111001001
410210200201213233020312
510113313332304310402
6110430135454353514
74143151535315461
oct444404147571066
978148200444031
1020101011010102
11644a877756a80
122307863abb89a
13b2a6953b6bb9
144d6c736942d8
1524cd17c29187
hex1248219ef236

20101011010102 has 64 divisors (see below), whose sum is σ = 33827003578368. Its totient is φ = 8879020416000.

The previous prime is 20101011010079. The next prime is 20101011010121.

20101011010102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1607688783 + ... + 1607701285.

It is an arithmetic number, because the mean of its divisors is an integer number (528546930912).

Almost surely, 220101011010102 is an apocalyptic number.

20101011010102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101011010102 is a deficient number, since it is larger than the sum of its proper divisors (13725992568266).

20101011010102 is a wasteful number, since it uses less digits than its factorization.

20101011010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19405.

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 2010101 and 1010102, that multiplied together give a palindrome (2030407040302).

The spelling of 20101011010102 in words is "twenty trillion, one hundred one billion, eleven million, ten thousand, one hundred two".

Divisors: 1 2 11 22 41 82 271 451 542 902 2981 5962 6577 11111 12503 13154 22222 25006 72347 122221 137533 144694 244442 269657 275066 512623 539314 1025246 1782367 2966227 3388313 3564734 5638853 5932454 6776626 11277706 19606037 37271443 39212074 73077047 74542886 82232231 138920833 146154094 164464462 277841666 803847517 904554541 1528129163 1607695034 1809109082 3056258326 3371521471 6743042942 22284934601 37086736181 44569869202 74173472362 245134280611 490268561222 913682318641 1827364637282 10050505505051 20101011010102