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13111420100 = 2252131114201
BaseRepresentation
bin11000011011000000…
…00110010011000100
31020211202110011002212
430031200012103010
5203323010420400
610005011122552
7642625142402
oct141540062304
936752404085
1013111420100
115619066a89
12265aba3458
13130c4b355c
148c5490472
1551b110335
hex30d8064c4

13111420100 has 18 divisors (see below), whose sum is σ = 28451781834. Its totient is φ = 5244568000.

The previous prime is 13111420099. The next prime is 13111420129. The reversal of 13111420100 is 102411131.

It can be written as a sum of positive squares in 3 ways, for example, as 38241856 + 13073178244 = 6184^2 + 114338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65557001 + ... + 65557200.

Almost surely, 213111420100 is an apocalyptic number.

13111420100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111420100 is an abundant number, since it is smaller than the sum of its proper divisors (15340361734).

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

13111420100 is a wasteful number, since it uses less digits than its factorization.

13111420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131114215 (or 131114208 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13111420100 its reverse (102411131), we get a palindrome (13213831231).

The spelling of 13111420100 in words is "thirteen billion, one hundred eleven million, four hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131114201 262228402 524456804 655571005 1311142010 2622284020 3277855025 6555710050 13111420100