Search a number
-
+
2111121012110 = 2511313671686913
BaseRepresentation
bin11110101110001000100…
…111100011010110001110
321110211011122122010212012
4132232020213203112032
5234042033434341420
64253500253541222
7305344355344265
oct36561047432616
97424148563765
102111121012110
11744359857990
122a11961a4812
1312410208ac46
14742708c15dc
1539dad70bdc5
hex1eb889e358e

2111121012110 has 64 divisors (see below), whose sum is σ = 4290861441024. Its totient is φ = 740891750400.

The previous prime is 2111121012101. The next prime is 2111121012137. The reversal of 2111121012110 is 112101211112.

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, 408014 + ... + 2094926.

It is an arithmetic number, because the mean of its divisors is an integer number (67044710016).

Almost surely, 22111121012110 is an apocalyptic number.

2111121012110 is an abundant number, since it is smaller than the sum of its proper divisors (2179740428914).

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

2111121012110 is a wasteful number, since it uses less digits than its factorization.

2111121012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687329.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111121012110 its reverse (112101211112), we get a palindrome (2223222223222).

The spelling of 2111121012110 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, twelve thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 367 682 734 1705 1835 3410 3670 4037 8074 11377 20185 22754 40370 56885 113770 125147 250294 625735 1251470 1686913 3373826 8434565 16869130 18556043 37112086 52294303 92780215 104588606 185560430 261471515 522943030 575237333 619097071 1150474666 1238194142 2876186665 3095485355 5752373330 6190970710 6810067781 13620135562 19192009201 34050338905 38384018402 68100677810 95960046005 191920092010 211112101211 422224202422 1055560506055 2111121012110