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1085108418 = 23260283801
BaseRepresentation
bin100000010101101…
…0111000011000010
32210121211012220200
41000223113003002
54210241432133
6255401350030
735614161252
oct10053270302
92717735820
101085108418
11507574019
12263498316
13143a687b4
14a4183962
15653e3913
hex40ad70c2

1085108418 has 12 divisors (see below), whose sum is σ = 2351068278. Its totient is φ = 361702800.

The previous prime is 1085108417. The next prime is 1085108429. The reversal of 1085108418 is 8148015801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 943902729 + 141205689 = 30723^2 + 11883^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1085108417) 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, 30141883 + ... + 30141918.

Almost surely, 21085108418 is an apocalyptic number.

1085108418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1085108418 is an abundant number, since it is smaller than the sum of its proper divisors (1265959860).

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

1085108418 is a wasteful number, since it uses less digits than its factorization.

1085108418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60283809 (or 60283806 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

The square root of 1085108418 is about 32940.9838650882. The cubic root of 1085108418 is about 1027.6006671399.

The spelling of 1085108418 in words is "one billion, eighty-five million, one hundred eight thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 60283801 120567602 180851403 361702806 542554209 1085108418