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121046244220 = 225114113419761
BaseRepresentation
bin111000010111011101…
…0110001101101111100
3102120102220212022202101
41300232322301231330
53440400314303340
6131335145034444
711513432046046
oct1605672615574
9376386768671
10121046244220
11473764a3970
121b562185a24
13b550b962a5
145c04290a96
153236c6dc9a
hex1c2eeb1b7c

121046244220 has 48 divisors (see below), whose sum is σ = 284069522016. Its totient is φ = 42943232000.

The previous prime is 121046244211. The next prime is 121046244233. The reversal of 121046244220 is 22442640121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6700861 + ... + 6718900.

It is an arithmetic number, because the mean of its divisors is an integer number (5918115042).

Almost surely, 2121046244220 is an apocalyptic number.

121046244220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121046244220 is an abundant number, since it is smaller than the sum of its proper divisors (163023277796).

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

121046244220 is a wasteful number, since it uses less digits than its factorization.

121046244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419822 (or 13419820 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 121046244220 its reverse (22442640121), we get a palindrome (143488884341).

The spelling of 121046244220 in words is "one hundred twenty-one billion, forty-six million, two hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 41 44 55 82 110 164 205 220 410 451 820 902 1804 2255 4510 9020 13419761 26839522 53679044 67098805 134197610 147617371 268395220 295234742 550210201 590469484 738086855 1100420402 1476173710 2200840804 2751051005 2952347420 5502102010 6052312211 11004204020 12104624422 24209248844 30261561055 60523122110 121046244220