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121130230232 = 23111376479889
BaseRepresentation
bin111000011001111101…
…1001010000111011000
3102120122202220020220102
41300303323022013120
53441033314331412
6131351345114532
711515501653164
oct1606373120730
9376582806812
10121130230232
11474099478a0
121b586328a48
13b5653c0a5b
145c114b3ca4
15323e30d8c2
hex1c33eca1d8

121130230232 has 16 divisors (see below), whose sum is σ = 247766380200. Its totient is φ = 55059195520.

The previous prime is 121130230229. The next prime is 121130230337. The reversal of 121130230232 is 232032031121.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 688239857 + ... + 688240032.

Almost surely, 2121130230232 is an apocalyptic number.

It is an amenable number.

121130230232 is an abundant number, since it is smaller than the sum of its proper divisors (126636149968).

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

121130230232 is a wasteful number, since it uses less digits than its factorization.

121130230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376479906 (or 1376479902 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121130230232 its reverse (232032031121), we get a palindrome (353162261353).

The spelling of 121130230232 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 1376479889 2752959778 5505919556 11011839112 15141278779 30282557558 60565115116 121130230232