Base | Representation |
---|---|
bin | 10000000101011101000110… |
… | …001010001001100001100001 |
3 | 100021111000112221222011221220 |
4 | 100011131012022021201201 |
5 | 33233030324322213420 |
6 | 410243053100205253 |
7 | 20621024642154561 |
oct | 2005350612114141 |
9 | 307430487864856 |
10 | 70743583397985 |
11 | 205a52046017a3 |
12 | 7b266b6b39829 |
13 | 3062125742724 |
14 | 1368017204da1 |
15 | 82a309e67840 |
hex | 405746289861 |
70743583397985 has 32 divisors (see below), whose sum is σ = 119955248030592. Its totient is φ = 35478713502720.
The previous prime is 70743583397953. The next prime is 70743583397987. The reversal of 70743583397985 is 58979338534707.
It is not a de Polignac number, because 70743583397985 - 25 = 70743583397953 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70743583397985.
It is not an unprimeable number, because it can be changed into a prime (70743583397987) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 123898611 + ... + 124468280.
It is an arithmetic number, because the mean of its divisors is an integer number (3748601500956).
Almost surely, 270743583397985 is an apocalyptic number.
It is an amenable number.
70743583397985 is a deficient number, since it is larger than the sum of its proper divisors (49211664632607).
70743583397985 is a wasteful number, since it uses less digits than its factorization.
70743583397985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248368033.
The product of its (nonzero) digits is 4800902400, while the sum is 78.
The spelling of 70743583397985 in words is "seventy trillion, seven hundred forty-three billion, five hundred eighty-three million, three hundred ninety-seven thousand, nine hundred eighty-five".
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