Base | Representation |
---|---|
bin | 100000000010011011… |
… | …1001010110100101010 |
3 | 20120120212022100201102 |
4 | 1000010313022310222 |
5 | 2111401032012400 |
6 | 51335021121402 |
7 | 4653645154223 |
oct | 1000467126452 |
9 | 216525270642 |
10 | 68801047850 |
11 | 271a6441627 |
12 | 114013b9262 |
13 | 6645c2c102 |
14 | 34896ba24a |
15 | 1bca2309d5 |
hex | 1004dcad2a |
68801047850 has 24 divisors (see below), whose sum is σ = 127981564608. Its totient is φ = 27517921200.
The previous prime is 68801047789. The next prime is 68801047873. The reversal of 68801047850 is 5874010886.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68801047795 and 68801047804.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554207 + ... + 666893.
It is an arithmetic number, because the mean of its divisors is an integer number (5332565192).
Almost surely, 268801047850 is an apocalyptic number.
68801047850 is a deficient number, since it is larger than the sum of its proper divisors (59180516758).
68801047850 is a wasteful number, since it uses less digits than its factorization.
68801047850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124910 (or 124905 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 47.
The spelling of 68801047850 in words is "sixty-eight billion, eight hundred one million, forty-seven thousand, eight hundred fifty".
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