Search a number
-
+
121233332110 = 251119382315173
BaseRepresentation
bin111000011101000010…
…0011101011110001110
3102120220221220101002111
41300322010131132032
53441241213111420
6131405511014234
711521163214562
oct1607204353616
9376827811074
10121233332110
1147462067860
121b5b496a37a
13b58087c397
145c210716a2
1532483c745a
hex1c3a11d78e

121233332110 has 64 divisors (see below), whose sum is σ = 250669624320. Its totient is φ = 41750916480.

The previous prime is 121233332081. The next prime is 121233332111. The reversal of 121233332110 is 11233332121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121233332111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7982484 + ... + 7997656.

It is an arithmetic number, because the mean of its divisors is an integer number (3916712880).

Almost surely, 2121233332110 is an apocalyptic number.

121233332110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121233332110 is an abundant number, since it is smaller than the sum of its proper divisors (129436292210).

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

121233332110 is a wasteful number, since it uses less digits than its factorization.

121233332110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19033.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121233332110 its reverse (11233332121), we get a palindrome (132466664231).

The spelling of 121233332110 in words is "one hundred twenty-one billion, two hundred thirty-three million, three hundred thirty-two thousand, one hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 3823 7646 15173 19115 30346 38230 42053 72637 75865 84106 145274 151730 166903 210265 288287 333806 363185 420530 576574 726370 799007 834515 1441435 1598014 1669030 2882870 3171157 3995035 6342314 7990070 15855785 31711570 58006379 116012758 290031895 580063790 638070169 1102121201 1276140338 2204242402 3190350845 5510606005 6380701690 11021212010 12123333211 24246666422 60616666055 121233332110