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13110280100 = 2252131102801
BaseRepresentation
bin11000011010110111…
…01111111110100100
31020211200022020022122
430031123233332210
5203322212430400
610004530445112
7642612353651
oct141533577644
936750266278
1013110280100
115618458535
12265a733798
13130c1a46b8
148c5274c28
1551ae87685
hex30d6effa4

13110280100 has 18 divisors (see below), whose sum is σ = 28449308034. Its totient is φ = 5244112000.

The previous prime is 13110280037. The next prime is 13110280103. The reversal of 13110280100 is 108201131.

It can be written as a sum of positive squares in 3 ways, for example, as 210772324 + 12899507776 = 14518^2 + 113576^2 .

It is not an unprimeable number, because it can be changed into a prime (13110280103) 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, 65551301 + ... + 65551500.

It is an arithmetic number, because the mean of its divisors is an integer number (1580517113).

Almost surely, 213110280100 is an apocalyptic number.

13110280100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13110280100 is an abundant number, since it is smaller than the sum of its proper divisors (15339027934).

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

13110280100 is a wasteful number, since it uses less digits than its factorization.

13110280100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131102815 (or 131102808 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 13110280100 its reverse (108201131), we get a palindrome (13218481231).

The spelling of 13110280100 in words is "thirteen billion, one hundred ten million, two hundred eighty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131102801 262205602 524411204 655514005 1311028010 2622056020 3277570025 6555140050 13110280100