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122848339842 = 232826132
BaseRepresentation
bin111001001101001010…
…1001110011110000010
3102202002111211021012200
41302122111032132002
54003043133333332
6132234042134030
711606203442124
oct1623225163602
9382074737180
10122848339842
1148110759a98
121b9857b1316
13b77a33b167
145d35751214
1532e008d17c
hex1c9a54e782

122848339842 has 18 divisors (see below), whose sum is σ = 266174624937. Its totient is φ = 40948950936.

The previous prime is 122848339807. The next prime is 122848339847. The reversal of 122848339842 is 248933848221.

122848339842 is a `hidden beast` number, since 1 + 228 + 4 + 8 + 339 + 84 + 2 = 666.

122848339842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 113993341641 + 8854998201 = 337629^2 + 94101^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=247839.

It is not an unprimeable number, because it can be changed into a prime (122848339847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1445728 + ... + 1528340.

Almost surely, 2122848339842 is an apocalyptic number.

122848339842 is an abundant number, since it is smaller than the sum of its proper divisors (143326285095).

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

122848339842 is an frugal number, since it uses more digits than its factorization.

122848339842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165234 (or 82618 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 122848339842 in words is "one hundred twenty-two billion, eight hundred forty-eight million, three hundred thirty-nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 82613 165226 247839 495678 743517 1487034 6824907769 13649815538 20474723307 40949446614 61424169921 122848339842