Base | Representation |
---|---|
bin | 111111010110011111… |
… | …011110010101110001 |
3 | 20111120122102201111100 |
4 | 333112133132111301 |
5 | 2103302402200101 |
6 | 51125510435013 |
7 | 4625450451216 |
oct | 772637362561 |
9 | 214518381440 |
10 | 68023084401 |
11 | 26937292128 |
12 | 11224962a69 |
13 | 65509c35cc |
14 | 3414249b0d |
15 | 1b81cace86 |
hex | fd67de571 |
68023084401 has 12 divisors (see below), whose sum is σ = 98258734080. Its totient is φ = 45347260920.
The previous prime is 68023084307. The next prime is 68023084433. The reversal of 68023084401 is 10448032086.
It is not a de Polignac number, because 68023084401 - 211 = 68023082353 is a prime.
It is a super-2 number, since 2×680230844012 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68023084201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224716 + ... + 431906.
It is an arithmetic number, because the mean of its divisors is an integer number (8188227840).
Almost surely, 268023084401 is an apocalyptic number.
It is an amenable number.
68023084401 is a deficient number, since it is larger than the sum of its proper divisors (30235649679).
68023084401 is a wasteful number, since it uses less digits than its factorization.
68023084401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243676 (or 243673 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The spelling of 68023084401 in words is "sixty-eight billion, twenty-three million, eighty-four thousand, four hundred one".
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