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2111120113100 = 2252197115649519
BaseRepresentation
bin11110101110001000100…
…100000111110111001100
321110211011120221110122112
4132232020210013313030
5234042033222104400
64253500222403152
7305344344611255
oct36561044076714
97424146843575
102111120113100
117443592a34a9
122a1195a304b8
13124101b3499b
1474270729b2c
1539dad5d0835
hex1eb88907dcc

2111120113100 has 72 divisors (see below), whose sum is σ = 4890162009600. Its totient is φ = 788735707200.

The previous prime is 2111120113099. The next prime is 2111120113127. The reversal of 2111120113100 is 13110211112.

It is a super-2 number, since 2×21111201131002 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7689860 + ... + 7959659.

It is an arithmetic number, because the mean of its divisors is an integer number (67918916800).

Almost surely, 22111120113100 is an apocalyptic number.

2111120113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111120113100 is an abundant number, since it is smaller than the sum of its proper divisors (2779041896500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111120113100 is a wasteful number, since it uses less digits than its factorization.

2111120113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15649623 (or 15649616 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 2111120113100 its reverse (13110211112), we get a palindrome (2124230324212).

The spelling of 2111120113100 in words is "two trillion, one hundred eleven billion, one hundred twenty million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 71 76 95 100 142 190 284 355 380 475 710 950 1349 1420 1775 1900 2698 3550 5396 6745 7100 13490 26980 33725 67450 134900 15649519 31299038 62598076 78247595 156495190 297340861 312990380 391237975 594681722 782475950 1111115849 1189363444 1486704305 1564951900 2222231698 2973408610 4444463396 5555579245 5946817220 7433521525 11111158490 14867043050 21111201131 22222316980 27777896225 29734086100 42222402262 55555792450 84444804524 105556005655 111111584900 211112011310 422224022620 527780028275 1055560056550 2111120113100