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2122442312312 = 23737900755577
BaseRepresentation
bin11110111000101011011…
…010111000101001111000
321111220101122122210010002
4132320223122320221320
5234233230212443222
64303011520412132
7306225045662360
oct36705332705170
97456348583102
102122442312312
11749139398333
122a3415777048
131251b773054a
1474a2630b9a0
153a3225b6392
hex1ee2b6b8a78

2122442312312 has 16 divisors (see below), whose sum is σ = 4548090669360. Its totient is φ = 909618133824.

The previous prime is 2122442312227. The next prime is 2122442312317. The reversal of 2122442312312 is 2132132442212.

It is a super-2 number, since 2×21224423123122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122442312317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18950377733 + ... + 18950377844.

It is an arithmetic number, because the mean of its divisors is an integer number (284255666835).

Almost surely, 22122442312312 is an apocalyptic number.

It is an amenable number.

2122442312312 is an abundant number, since it is smaller than the sum of its proper divisors (2425648357048).

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

2122442312312 is a wasteful number, since it uses less digits than its factorization.

2122442312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37900755590 (or 37900755586 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 2122442312312 its reverse (2132132442212), we get a palindrome (4254574754524).

The spelling of 2122442312312 in words is "two trillion, one hundred twenty-two billion, four hundred forty-two million, three hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 37900755577 75801511154 151603022308 265305289039 303206044616 530610578078 1061221156156 2122442312312