Base | Representation |
---|---|
bin | 1000000100101101101… |
… | …0000010001001011010 |
3 | 111021000112011202220112 |
4 | 2001023122002021122 |
5 | 4233031220203320 |
6 | 143415245324322 |
7 | 13010134064300 |
oct | 2011332021132 |
9 | 437015152815 |
10 | 138704069210 |
11 | 53907916163 |
12 | 22a6b8666a2 |
13 | 10106250245 |
14 | 69db48a270 |
15 | 391c086ec5 |
hex | 204b68225a |
138704069210 has 48 divisors (see below), whose sum is σ = 290463866784. Its totient is φ = 47550027168.
The previous prime is 138704069167. The next prime is 138704069233. The reversal of 138704069210 is 12960407831.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8099477 + ... + 8116583.
It is an arithmetic number, because the mean of its divisors is an integer number (6051330558).
Almost surely, 2138704069210 is an apocalyptic number.
138704069210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
138704069210 is an abundant number, since it is smaller than the sum of its proper divisors (151759797574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138704069210 is a wasteful number, since it uses less digits than its factorization.
138704069210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33675 (or 33668 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 41.
The spelling of 138704069210 in words is "one hundred thirty-eight billion, seven hundred four million, sixty-nine thousand, two hundred ten".
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