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121013301030 = 2359091443711
BaseRepresentation
bin111000010110011110…
…1000110111100100110
3102120100121212122012020
41300230331012330212
53440313401113110
6131332011004010
711512552041546
oct1605475067446
9376317778166
10121013301030
1147359943196
121b553139606
13b54710078b
145bddb57326
153233e12d70
hex1c2cf46f26

121013301030 has 32 divisors (see below), whose sum is σ = 290464524288. Its totient is φ = 32266591200.

The previous prime is 121013301029. The next prime is 121013301037. The reversal of 121013301030 is 30103310121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013301037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50875 + ... + 494585.

It is an arithmetic number, because the mean of its divisors is an integer number (9077016384).

Almost surely, 2121013301030 is an apocalyptic number.

121013301030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013301030 is an abundant number, since it is smaller than the sum of its proper divisors (169451223258).

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

121013301030 is a wasteful number, since it uses less digits than its factorization.

121013301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452812.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121013301030 its reverse (30103310121), we get a palindrome (151116611151).

Subtracting from 121013301030 its reverse (30103310121), we obtain a palindrome (90909990909).

The spelling of 121013301030 in words is "one hundred twenty-one billion, thirteen million, three hundred one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 9091 18182 27273 45455 54546 90910 136365 272730 443711 887422 1331133 2218555 2662266 4437110 6655665 13311330 4033776701 8067553402 12101330103 20168883505 24202660206 40337767010 60506650515 121013301030