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121313744052 = 22374313606297
BaseRepresentation
bin111000011111011011…
…1001101010010110100
3102121010120012201112120
41300332313031102310
53441422304302202
6131421502315540
711523160544664
oct1607667152264
9377116181476
10121313744052
11474a349a506
121b617888bb0
13b594425107
145c2ba041a4
1532504ad0bc
hex1c3edcd4b4

121313744052 has 24 divisors (see below), whose sum is σ = 283446399936. Its totient is φ = 40383486528.

The previous prime is 121313744039. The next prime is 121313744113. The reversal of 121313744052 is 250447313121.

It is a congruent number.

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, 6794233 + ... + 6812064.

It is an arithmetic number, because the mean of its divisors is an integer number (11810266664).

Almost surely, 2121313744052 is an apocalyptic number.

121313744052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121313744052 is an abundant number, since it is smaller than the sum of its proper divisors (162132655884).

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

121313744052 is a wasteful number, since it uses less digits than its factorization.

121313744052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13607047 (or 13607045 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 121313744052 in words is "one hundred twenty-one billion, three hundred thirteen million, seven hundred forty-four thousand, fifty-two".

Divisors: 1 2 3 4 6 12 743 1486 2229 2972 4458 8916 13606297 27212594 40818891 54425188 81637782 163275564 10109478671 20218957342 30328436013 40437914684 60656872026 121313744052