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20444110004143 = 74367920631243
BaseRepresentation
bin1001010011000000000111…
…11010100001111110101111
32200101102211011210020220201
410221200003322201332233
510134424014130113033
6111251521112454331
74210016050540030
oct451400372417657
980342734706821
1020444110004143
116572331136411
1223622570aa3a7
13b53b43330237
145097007b8a87
15256be8eba47d
hex129803ea1faf

20444110004143 has 8 divisors (see below), whose sum is σ = 23908062197888. Its totient is φ = 17115999072984.

The previous prime is 20444110004107. The next prime is 20444110004189. The reversal of 20444110004143 is 34140001144402.

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

It is not a de Polignac number, because 20444110004143 - 221 = 20444107906991 is a prime.

It is a super-2 number, since 2×204441100041432 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444110004443) 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 7 ways as a sum of consecutive naturals, for example, 33960315321 + ... + 33960315922.

It is an arithmetic number, because the mean of its divisors is an integer number (2988507774736).

Almost surely, 220444110004143 is an apocalyptic number.

20444110004143 is a deficient number, since it is larger than the sum of its proper divisors (3463952193745).

20444110004143 is an equidigital number, since it uses as much as digits as its factorization.

20444110004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67920631293.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20444110004143 its reverse (34140001144402), we get a palindrome (54584111148545).

The spelling of 20444110004143 in words is "twenty trillion, four hundred forty-four billion, one hundred ten million, four thousand, one hundred forty-three".

Divisors: 1 7 43 301 67920631243 475444418701 2920587143449 20444110004143