Search a number
-
+
18962075491146 = 2321053448638397
BaseRepresentation
bin1000100111110111100111…
…10001100001101101001010
32111010202102122101102021200
410103323303301201231022
54441133312311204041
6104155020205445030
73664651623200424
oct423736361415512
974122378342250
1018962075491146
116050853302347
122162b88870776
13a77167c52018
14497aab153814
1522d3a8e5d1b6
hex113ef3c61b4a

18962075491146 has 12 divisors (see below), whose sum is σ = 41084496897522. Its totient is φ = 6320691830376.

The previous prime is 18962075491141. The next prime is 18962075491153. The reversal of 18962075491146 is 64119457026981.

18962075491146 is a `hidden beast` number, since 1 + 8 + 9 + 62 + 0 + 75 + 491 + 14 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16887291642225 + 2074783848921 = 4109415^2 + 1440411^2 .

It is not an unprimeable number, because it can be changed into a prime (18962075491141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526724319181 + ... + 526724319216.

Almost surely, 218962075491146 is an apocalyptic number.

18962075491146 is an abundant number, since it is smaller than the sum of its proper divisors (22122421406376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18962075491146 is a wasteful number, since it uses less digits than its factorization.

18962075491146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053448638405 (or 1053448638402 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 18962075491146 in words is "eighteen trillion, nine hundred sixty-two billion, seventy-five million, four hundred ninety-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 1053448638397 2106897276794 3160345915191 6320691830382 9481037745573 18962075491146