Base | Representation |
---|---|
bin | 1011111100010010101000… |
… | …0101100000010101101000 |
3 | 1201111020220121211101101102 |
4 | 2333010222011200111220 |
5 | 3210112100301010440 |
6 | 43532010541340532 |
7 | 2523433034632136 |
oct | 277045205402550 |
9 | 51436817741342 |
10 | 13130421110120 |
11 | 4202642453116 |
12 | 158091b567748 |
13 | 743268b83022 |
14 | 3357313cc756 |
15 | 17b84447db15 |
hex | bf12a160568 |
13130421110120 has 64 divisors (see below), whose sum is σ = 31389537603600. Its totient is φ = 4943217285120.
The previous prime is 13130421110117. The next prime is 13130421110153. The reversal of 13130421110120 is 2101112403131.
It can be written as a sum of positive squares in 8 ways, for example, as 10540658303044 + 2589762807076 = 3246638^2 + 1609274^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 13130421110092 and 13130421110101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33210821 + ... + 33603860.
Almost surely, 213130421110120 is an apocalyptic number.
13130421110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13130421110120 is an abundant number, since it is smaller than the sum of its proper divisors (18259116493480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13130421110120 is an equidigital number, since it uses as much as digits as its factorization.
13130421110120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66814743 (or 66814705 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 13130421110120 its reverse (2101112403131), we get a palindrome (15231533513251).
The spelling of 13130421110120 in words is "thirteen trillion, one hundred thirty billion, four hundred twenty-one million, one hundred ten thousand, one hundred twenty".
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