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121534031130 = 2352327658099
BaseRepresentation
bin111000100101111111…
…1100010010100011010
3102121200220201110121020
41301023333202110122
53442400202444010
6131455412023310
711531504135241
oct1611377422432
9377626643536
10121534031130
11475a6879446
121b679601b36
13b5cac633b5
145c4cd87958
1532649c3470
hex1c4bfe251a

121534031130 has 48 divisors (see below), whose sum is σ = 304914909600. Its totient is φ = 30999980704.

The previous prime is 121534031123. The next prime is 121534031137. The reversal of 121534031130 is 31130435121.

121534031130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121534031123) and next prime (121534031137).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121534031130.

It is not an unprimeable number, because it can be changed into a prime (121534031137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3813180 + ... + 3844919.

It is an arithmetic number, because the mean of its divisors is an integer number (6352393950).

Almost surely, 2121534031130 is an apocalyptic number.

121534031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121534031130 is an abundant number, since it is smaller than the sum of its proper divisors (183380878470).

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

121534031130 is a wasteful number, since it uses less digits than its factorization.

121534031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658155 (or 7658132 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 121534031130 its reverse (31130435121), we get a palindrome (152664466251).

The spelling of 121534031130 in words is "one hundred twenty-one billion, five hundred thirty-four million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 529 690 1058 1587 2645 3174 5290 7935 15870 7658099 15316198 22974297 38290495 45948594 76580990 114871485 176136277 229742970 352272554 528408831 880681385 1056817662 1761362770 2642044155 4051134371 5284088310 8102268742 12153403113 20255671855 24306806226 40511343710 60767015565 121534031130