Search a number
-
+
121122031340 = 2259776198671
BaseRepresentation
bin111000011001101101…
…1111000011011101100
3102120122012110201010202
41300303123320123230
53441024220000330
6131350453253032
711515342164542
oct1606333703354
9376565421122
10121122031340
1147405257952
121b583634178
13b5637acc3b
145c1037bd92
15323d73e445
hex1c336f86ec

121122031340 has 24 divisors (see below), whose sum is σ = 254616651072. Its totient is φ = 48399215360.

The previous prime is 121122031321. The next prime is 121122031379. The reversal of 121122031340 is 43130221121.

121122031340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3079796 + ... + 3118875.

It is an arithmetic number, because the mean of its divisors is an integer number (10609027128).

Almost surely, 2121122031340 is an apocalyptic number.

121122031340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122031340 is an abundant number, since it is smaller than the sum of its proper divisors (133494619732).

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

121122031340 is a wasteful number, since it uses less digits than its factorization.

121122031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199657 (or 6199655 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121122031340 its reverse (43130221121), we get a palindrome (164252252461).

The spelling of 121122031340 in words is "one hundred twenty-one billion, one hundred twenty-two million, thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 977 1954 3908 4885 9770 19540 6198671 12397342 24794684 30993355 61986710 123973420 6056101567 12112203134 24224406268 30280507835 60561015670 121122031340