Search a number
-
+
121234041110 = 257133788309
BaseRepresentation
bin111000011101000011…
…1001010100100010110
3102120221000020101122202
41300322013022210112
53441241403303420
6131405534124502
711521202226620
oct1607207124426
9376830211582
10121234041110
1147462501506
121b5b5050732
13b580a6a000
145c211b7c10
1532484b7575
hex1c3a1ca916

121234041110 has 64 divisors (see below), whose sum is σ = 270169603200. Its totient is φ = 38368526976.

The previous prime is 121234041079. The next prime is 121234041119. The reversal of 121234041110 is 11140432121.

It is a super-2 number, since 2×1212340411102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234041119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240365 + ... + 547944.

It is an arithmetic number, because the mean of its divisors is an integer number (4221400050).

Almost surely, 2121234041110 is an apocalyptic number.

121234041110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121234041110 is an abundant number, since it is smaller than the sum of its proper divisors (148935562090).

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

121234041110 is an equidigital number, since it uses as much as digits as its factorization.

121234041110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788362 (or 788336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121234041110 its reverse (11140432121), we get a palindrome (132374473231).

The spelling of 121234041110 in words is "one hundred twenty-one billion, two hundred thirty-four million, forty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 169 182 338 455 845 910 1183 1690 2197 2366 4394 5915 10985 11830 15379 21970 30758 76895 153790 788309 1576618 3941545 5518163 7883090 10248017 11036326 20496034 27590815 51240085 55181630 71736119 102480170 133224221 143472238 266448442 358680595 666121105 717361190 932569547 1332242210 1731914873 1865139094 3463829746 4662847735 8659574365 9325695470 12123404111 17319148730 24246808222 60617020555 121234041110