Base | Representation |
---|---|
bin | 11000010000111001… |
… | …01001111010100010 |
3 | 1020121211220102210001 |
4 | 30020130221322202 |
5 | 203134304200310 |
6 | 5552341530214 |
7 | 640545352666 |
oct | 141034517242 |
9 | 36554812701 |
10 | 13026631330 |
11 | 5585214a19 |
12 | 263671396a |
13 | 12c7a6759b |
14 | 8b80dc8a6 |
15 | 51396293a |
hex | 308729ea2 |
13026631330 has 16 divisors (see below), whose sum is σ = 23458257144. Its totient is φ = 5208359040.
The previous prime is 13026631309. The next prime is 13026631339. The reversal of 13026631330 is 3313662031.
It can be written as a sum of positive squares in 4 ways, for example, as 12494544841 + 532086489 = 111779^2 + 23067^2 .
It is not an unprimeable number, because it can be changed into a prime (13026631339) 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, 262737 + ... + 308356.
Almost surely, 213026631330 is an apocalyptic number.
13026631330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13026631330 is a deficient number, since it is larger than the sum of its proper divisors (10431625814).
13026631330 is a wasteful number, since it uses less digits than its factorization.
13026631330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 573381.
The product of its (nonzero) digits is 5832, while the sum is 28.
It can be divided in two parts, 130266 and 31330, that added together give a triangular number (161596 = T568).
The spelling of 13026631330 in words is "thirteen billion, twenty-six million, six hundred thirty-one thousand, three hundred thirty".
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