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13130110120 = 235973384049
BaseRepresentation
bin11000011101001110…
…11001010010101000
31020220001121200222211
430032213121102220
5203342302010440
610010515454504
7643243044301
oct141647312250
936801550884
1013130110120
115628672086
1226652b7434
13131332863a
148c7b577a8
1551caa2eea
hex30e9d94a8

13130110120 has 32 divisors (see below), whose sum is σ = 29847321000. Its totient is φ = 5197897728.

The previous prime is 13130110069. The next prime is 13130110121. The reversal of 13130110120 is 2101103131.

It can be written as a sum of positive squares in 4 ways, for example, as 8694816516 + 4435293604 = 93246^2 + 66598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13130110120.

It is not an unprimeable number, because it can be changed into a prime (13130110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688145 + ... + 1695904.

Almost surely, 213130110120 is an apocalyptic number.

13130110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130110120 is an abundant number, since it is smaller than the sum of its proper divisors (16717210880).

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

13130110120 is a wasteful number, since it uses less digits than its factorization.

13130110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384157 (or 3384153 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13130110120 its reverse (2101103131), we get a palindrome (15231213251).

The spelling of 13130110120 in words is "thirteen billion, one hundred thirty million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 3384049 6768098 13536196 16920245 27072392 33840490 67680980 135361960 328252753 656505506 1313011012 1641263765 2626022024 3282527530 6565055060 13130110120