Base | Representation |
---|---|
bin | 11000100111000000… |
… | …01100111100111100 |
3 | 1021002202220202120120 |
4 | 30103200030330330 |
5 | 204024300020102 |
6 | 10023005214540 |
7 | 645260042016 |
oct | 142340147474 |
9 | 37082822516 |
10 | 13212110652 |
11 | 566a98a314 |
12 | 2688861450 |
13 | 1327309470 |
14 | 8d49c11b6 |
15 | 524d9e6bc |
hex | 31380cf3c |
13212110652 has 24 divisors (see below), whose sum is σ = 33199663056. Its totient is φ = 4065264768.
The previous prime is 13212110633. The next prime is 13212110683. The reversal of 13212110652 is 25601121231.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42346353 + ... + 42346664.
It is an arithmetic number, because the mean of its divisors is an integer number (1383319294).
Almost surely, 213212110652 is an apocalyptic number.
13212110652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13212110652 is an abundant number, since it is smaller than the sum of its proper divisors (19987552404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13212110652 is a wasteful number, since it uses less digits than its factorization.
13212110652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84693037 (or 84693035 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 24.
Adding to 13212110652 its reverse (25601121231), we get a palindrome (38813231883).
The spelling of 13212110652 in words is "thirteen billion, two hundred twelve million, one hundred ten thousand, six hundred fifty-two".
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