Base | Representation |
---|---|
bin | 111111110000011010… |
… | …110100110111110010 |
3 | 20112200221221110110220 |
4 | 333300122310313302 |
5 | 2110200231323321 |
6 | 51241010033510 |
7 | 4642312011240 |
oct | 776032646762 |
9 | 215627843426 |
10 | 68458073586 |
11 | 2703a885a21 |
12 | 11326578896 |
13 | 65bcb65a66 |
14 | 3455d1b790 |
15 | 1baa0839c6 |
hex | ff06b4df2 |
68458073586 has 64 divisors (see below), whose sum is σ = 163620864000. Its totient is φ = 18669854016.
The previous prime is 68458073569. The next prime is 68458073599. The reversal of 68458073586 is 68537085486.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388740 + ... + 536688.
It is an arithmetic number, because the mean of its divisors is an integer number (2556576000).
Almost surely, 268458073586 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68458073586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81810432000).
68458073586 is an abundant number, since it is smaller than the sum of its proper divisors (95162790414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68458073586 is a wasteful number, since it uses less digits than its factorization.
68458073586 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148463.
The product of its (nonzero) digits is 38707200, while the sum is 60.
The spelling of 68458073586 in words is "sixty-eight billion, four hundred fifty-eight million, seventy-three thousand, five hundred eighty-six".
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