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122220332142 = 2320370055357
BaseRepresentation
bin111000111010011100…
…1100100010001101110
3102200110202010011121020
41301310321210101232
54000301401112032
6132051445515010
711554506452646
oct1616471442156
9380422104536
10122220332142
1147919211567
121b82b412a66
13b6aa1b737c
145cb6197526
1532a4d8bb2c
hex1c74e6446e

122220332142 has 8 divisors (see below), whose sum is σ = 244440664296. Its totient is φ = 40740110712.

The previous prime is 122220332137. The next prime is 122220332173. The reversal of 122220332142 is 241233022221.

It is a sphenic number, since it is the product of 3 distinct primes.

122220332142 is an admirable number.

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, 10185027673 + ... + 10185027684.

It is an arithmetic number, because the mean of its divisors is an integer number (30555083037).

Almost surely, 2122220332142 is an apocalyptic number.

122220332142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122220332142 is a wasteful number, since it uses less digits than its factorization.

122220332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370055362.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 122220332142 its reverse (241233022221), we get a palindrome (363453354363).

The spelling of 122220332142 in words is "one hundred twenty-two billion, two hundred twenty million, three hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 20370055357 40740110714 61110166071 122220332142