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13348444040 = 235333711101
BaseRepresentation
bin11000110111010000…
…10001011110001000
31021110021110012211022
430123220101132020
5204314200202130
610044315252012
7651533621321
oct143350213610
937407405738
1013348444040
11572a937638
12270644a008
1313496318c9
14908b4d448
15531d2e7e5
hex31ba11788

13348444040 has 16 divisors (see below), whose sum is σ = 30033999180. Its totient is φ = 5339377600.

The previous prime is 13348444037. The next prime is 13348444061. The reversal of 13348444040 is 4044484331.

It can be written as a sum of positive squares in 2 ways, for example, as 11930319076 + 1418124964 = 109226^2 + 37658^2 .

It is a super-3 number, since 3×133484440403 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166855511 + ... + 166855590.

Almost surely, 213348444040 is an apocalyptic number.

13348444040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13348444040 is an abundant number, since it is smaller than the sum of its proper divisors (16685555140).

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

13348444040 is a wasteful number, since it uses less digits than its factorization.

13348444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333711112 (or 333711108 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 13348444040 in words is "thirteen billion, three hundred forty-eight million, four hundred forty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 333711101 667422202 1334844404 1668555505 2669688808 3337111010 6674222020 13348444040