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20124422444141 = 191059180128639
BaseRepresentation
bin1001001001101100101010…
…00011010001010001101101
32122020212122121020120000122
410210312111003101101231
510114204304121203031
6110445010530534325
74144640643241301
oct444662503212155
978225577216018
1020124422444141
1164597a0910974
1223102b84373a5
13b2c95678bb52
144d8054a81d01
1524d73820a47b
hex124d950d146d

20124422444141 has 4 divisors (see below), whose sum is σ = 21183602572800. Its totient is φ = 19065242315484.

The previous prime is 20124422444123. The next prime is 20124422444213. The reversal of 20124422444141 is 14144422442102.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20124422444141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124422444941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529590064301 + ... + 529590064338.

It is an arithmetic number, because the mean of its divisors is an integer number (5295900643200).

Almost surely, 220124422444141 is an apocalyptic number.

It is an amenable number.

20124422444141 is a deficient number, since it is larger than the sum of its proper divisors (1059180128659).

20124422444141 is a wasteful number, since it uses less digits than its factorization.

20124422444141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059180128658.

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 20124422444141 its reverse (14144422442102), we get a palindrome (34268844886243).

The spelling of 20124422444141 in words is "twenty trillion, one hundred twenty-four billion, four hundred twenty-two million, four hundred forty-four thousand, one hundred forty-one".

Divisors: 1 19 1059180128639 20124422444141