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18124211483 = 72383965749
BaseRepresentation
bin10000111000010010…
…011000010100011011
31201210002220100010222
4100320102120110123
5244104244231413
612154240430255
71211064153500
oct207022302433
951702810128
1018124211483
117760710384
12361991838b
13192aba03c1
14c3d1214a7
15711241b08
hex43849851b

18124211483 has 12 divisors (see below), whose sum is σ = 21138336000. Its totient is φ = 15494460912.

The previous prime is 18124211467. The next prime is 18124211527. The reversal of 18124211483 is 38411242181.

It is not a de Polignac number, because 18124211483 - 24 = 18124211467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18124219483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464108 + ... + 501641.

It is an arithmetic number, because the mean of its divisors is an integer number (1761528000).

Almost surely, 218124211483 is an apocalyptic number.

18124211483 is a deficient number, since it is larger than the sum of its proper divisors (3014124517).

18124211483 is an equidigital number, since it uses as much as digits as its factorization.

18124211483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966146 (or 966139 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The spelling of 18124211483 in words is "eighteen billion, one hundred twenty-four million, two hundred eleven thousand, four hundred eighty-three".

Divisors: 1 7 49 383 2681 18767 965749 6760243 47321701 369881867 2589173069 18124211483