Base | Representation |
---|---|
bin | 100000000111000111… |
… | …1010110110010100110 |
3 | 20120222211100211100012 |
4 | 1000032033112302212 |
5 | 2112211321231040 |
6 | 51402401250222 |
7 | 4660565405120 |
oct | 1001617266246 |
9 | 216884324305 |
10 | 68958383270 |
11 | 27277233aa7 |
12 | 11446033972 |
13 | 666c6c8aaa |
14 | 34a2554210 |
15 | 1bd8e5d865 |
hex | 100e3d6ca6 |
68958383270 has 32 divisors (see below), whose sum is σ = 143261787456. Its totient is φ = 23408784000.
The previous prime is 68958383213. The next prime is 68958383311. The reversal of 68958383270 is 7238385986.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4869761 + ... + 4883900.
It is an arithmetic number, because the mean of its divisors is an integer number (4476930858).
Almost surely, 268958383270 is an apocalyptic number.
68958383270 is an abundant number, since it is smaller than the sum of its proper divisors (74303404186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68958383270 is a wasteful number, since it uses less digits than its factorization.
68958383270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9753776.
The product of its (nonzero) digits is 17418240, while the sum is 59.
The spelling of 68958383270 in words is "sixty-eight billion, nine hundred fifty-eight million, three hundred eighty-three thousand, two hundred seventy".
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