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12100441443401 = 27980834324547
BaseRepresentation
bin1011000000010101101010…
…0000111000110001001001
31120211210100120101002112202
42300011122200320301021
53041223201002142101
641422511022445545
72356141135132013
oct260053240706111
946753316332482
1012100441443401
11394584a811963
1214351914338b5
1369a0b37c142c
142db9435111b3
1515eb60ca836b
hexb015a838c49

12100441443401 has 4 divisors (see below), whose sum is σ = 12100448566032. Its totient is φ = 12100434320772.

The previous prime is 12100441443379. The next prime is 12100441443421. The reversal of 12100441443401 is 10434414400121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12100441443401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100441443421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635810 + ... + 4960356.

It is an arithmetic number, because the mean of its divisors is an integer number (3025112141508).

Almost surely, 212100441443401 is an apocalyptic number.

It is an amenable number.

12100441443401 is a deficient number, since it is larger than the sum of its proper divisors (7122631).

12100441443401 is an equidigital number, since it uses as much as digits as its factorization.

12100441443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122630.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12100441443401 its reverse (10434414400121), we get a palindrome (22534855843522).

The spelling of 12100441443401 in words is "twelve trillion, one hundred billion, four hundred forty-one million, four hundred forty-three thousand, four hundred one".

Divisors: 1 2798083 4324547 12100441443401