Base | Representation |
---|---|
bin | 11000100111011001… |
… | …10111011101101110 |
3 | 1021010000011102120021 |
4 | 30103230313131232 |
5 | 204031122234020 |
6 | 10023204312354 |
7 | 645330206632 |
oct | 142354673556 |
9 | 37100142507 |
10 | 13215430510 |
11 | 56718475a7 |
12 | 26899a26ba |
13 | 1327bcc589 |
14 | 8d5206dc2 |
15 | 5253081aa |
hex | 313b3776e |
13215430510 has 16 divisors (see below), whose sum is σ = 24555123072. Its totient is φ = 5115650400.
The previous prime is 13215430483. The next prime is 13215430511. The reversal of 13215430510 is 1503451231.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13215430511) 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, 21314901 + ... + 21315520.
It is an arithmetic number, because the mean of its divisors is an integer number (1534695192).
Almost surely, 213215430510 is an apocalyptic number.
13215430510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13215430510 is a deficient number, since it is larger than the sum of its proper divisors (11339692562).
13215430510 is a wasteful number, since it uses less digits than its factorization.
13215430510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42630459.
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 13215430510 its reverse (1503451231), we get a palindrome (14718881741).
The spelling of 13215430510 in words is "thirteen billion, two hundred fifteen million, four hundred thirty thousand, five hundred ten".
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