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2312122212132 = 2231030671869433
BaseRepresentation
bin100001101001010101001…
…110010001111100100100
322012000222202212001120220
4201221111032101330210
5300340211241242012
64530101351124340
7326021354350635
oct41512516217444
98160882761526
102312122212132
11811624791517
123141310736b0
1313a055947565
147dc9b94388c
15402249ed08c
hex21a55391f24

2312122212132 has 24 divisors (see below), whose sum is σ = 5395007058336. Its totient is φ = 770699514048.

The previous prime is 2312122212119. The next prime is 2312122212161.

2312122212132 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 302088 + ... + 2171520.

It is an arithmetic number, because the mean of its divisors is an integer number (224791960764).

Almost surely, 22312122212132 is an apocalyptic number.

It is an amenable number.

2312122212132 is an abundant number, since it is smaller than the sum of its proper divisors (3082884846204).

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

2312122212132 is a wasteful number, since it uses less digits than its factorization.

2312122212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972507 (or 1972505 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The spelling of 2312122212132 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 103067 206134 309201 412268 618402 1236804 1869433 3738866 5608299 7477732 11216598 22433196 192676851011 385353702022 578030553033 770707404044 1156061106066 2312122212132