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20055486067837 = 111823226006167
BaseRepresentation
bin1001000111101100010000…
…00111110111010001111101
32122000021201022021210120021
410203312020013313101331
510112042113413132322
6110353210233052141
74136650432561333
oct443661007672175
978007638253507
1020055486067837
116432536049050
1222baa79857051
13b262bb7c9b3c
144d4995419b53
1524ba511974c7
hex123d881f747d

20055486067837 has 4 divisors (see below), whose sum is σ = 21878712074016. Its totient is φ = 18232260061660.

The previous prime is 20055486067823. The next prime is 20055486067861. The reversal of 20055486067837 is 73876068455002.

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 not a de Polignac number, because 20055486067837 - 227 = 20055351850109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055486967837) 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, 911613003073 + ... + 911613003094.

It is an arithmetic number, because the mean of its divisors is an integer number (5469678018504).

Almost surely, 220055486067837 is an apocalyptic number.

It is an amenable number.

20055486067837 is a deficient number, since it is larger than the sum of its proper divisors (1823226006179).

20055486067837 is a wasteful number, since it uses less digits than its factorization.

20055486067837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823226006178.

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 20055486067837 in words is "twenty trillion, fifty-five billion, four hundred eighty-six million, sixty-seven thousand, eight hundred thirty-seven".

Divisors: 1 11 1823226006167 20055486067837