Base | Representation |
---|---|
bin | 11001011110111110… |
… | …10110010010101010 |
3 | 1022022111102202211201 |
4 | 30233133112102222 |
5 | 211010000230220 |
6 | 10141341114414 |
7 | 663021044644 |
oct | 145737262252 |
9 | 38274382751 |
10 | 13681648810 |
11 | 5890a30285 |
12 | 2799b58a0a |
13 | 13a06872ab |
14 | 93b0c7894 |
15 | 5511ebd0a |
hex | 32f7d64aa |
13681648810 has 16 divisors (see below), whose sum is σ = 25421386752. Its totient is φ = 5296122000.
The previous prime is 13681648789. The next prime is 13681648823. The reversal of 13681648810 is 1884618631.
It is a super-2 number, since 2×136816488102 (a number of 21 digits) contains 22 as substring.
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, 22066866 + ... + 22067485.
It is an arithmetic number, because the mean of its divisors is an integer number (1588836672).
Almost surely, 213681648810 is an apocalyptic number.
13681648810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13681648810 is a deficient number, since it is larger than the sum of its proper divisors (11739737942).
13681648810 is a wasteful number, since it uses less digits than its factorization.
13681648810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44134389.
The product of its (nonzero) digits is 221184, while the sum is 46.
The spelling of 13681648810 in words is "thirteen billion, six hundred eighty-one million, six hundred forty-eight thousand, eight hundred ten".
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