Base | Representation |
---|---|
bin | 11000001111010010… |
… | …11101101101111110 |
3 | 1020120220122122221221 |
4 | 30013221131231332 |
5 | 203122340241110 |
6 | 5551142143554 |
7 | 640323322450 |
oct | 140751355576 |
9 | 36526578857 |
10 | 13013212030 |
11 | 5578689895 |
12 | 2632121bba |
13 | 12c5049580 |
14 | 8b64082d0 |
15 | 5126b17da |
hex | 307a5db7e |
13013212030 has 32 divisors (see below), whose sum is σ = 28829271744. Its totient is φ = 4118466816.
The previous prime is 13013212007. The next prime is 13013212031. The reversal of 13013212030 is 3021231031.
It is a junction number, because it is equal to n+sod(n) for n = 13013211995 and 13013212013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13013212031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7149207 + ... + 7151026.
It is an arithmetic number, because the mean of its divisors is an integer number (900914742).
Almost surely, 213013212030 is an apocalyptic number.
13013212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13013212030 is an abundant number, since it is smaller than the sum of its proper divisors (15816059714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13013212030 is a wasteful number, since it uses less digits than its factorization.
13013212030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14300260.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13013212030 its reverse (3021231031), we get a palindrome (16034443061).
The spelling of 13013212030 in words is "thirteen billion, thirteen million, two hundred twelve thousand, thirty".
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