Base | Representation |
---|---|
bin | 111111110111000111… |
… | …100101011101010110 |
3 | 20112222210102210200120 |
4 | 333313013211131112 |
5 | 2110413020021410 |
6 | 51300103052410 |
7 | 4645145244243 |
oct | 776707453526 |
9 | 215883383616 |
10 | 68570470230 |
11 | 27098274209 |
12 | 11358141106 |
13 | 660a229c52 |
14 | 3466c185ca |
15 | 1bb4d86570 |
hex | ff71e5756 |
68570470230 has 32 divisors (see below), whose sum is σ = 166823505504. Its totient is φ = 18034972416.
The previous prime is 68570470229. The next prime is 68570470253. The reversal of 68570470230 is 3207407586.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15653169 + ... + 15657548.
It is an arithmetic number, because the mean of its divisors is an integer number (5213234547).
Almost surely, 268570470230 is an apocalyptic number.
68570470230 is an abundant number, since it is smaller than the sum of its proper divisors (98253035274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68570470230 is a wasteful number, since it uses less digits than its factorization.
68570470230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31310800.
The product of its (nonzero) digits is 282240, while the sum is 42.
The spelling of 68570470230 in words is "sixty-eight billion, five hundred seventy million, four hundred seventy thousand, two hundred thirty".
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