Base | Representation |
---|---|
bin | 10000000111110001100111… |
… | …110000111111111011110101 |
3 | 100022001021012020020210122001 |
4 | 100013301213300333323311 |
5 | 33243133432110123110 |
6 | 410444225551135301 |
7 | 20635401643453225 |
oct | 2007614760777365 |
9 | 308037166223561 |
10 | 70903061020405 |
11 | 20656901563949 |
12 | 7b515a3814531 |
13 | 307418c6c0893 |
14 | 1371a255ba085 |
15 | 82e540b1b63a |
hex | 407c67c3fef5 |
70903061020405 has 8 divisors (see below), whose sum is σ = 85084517904984. Its totient is φ = 56721885696000.
The previous prime is 70903061020399. The next prime is 70903061020469. The reversal of 70903061020405 is 50402016030907.
It can be written as a sum of positive squares in 4 ways, for example, as 12734342127441 + 58168718892964 = 3568521^2 + 7626842^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70903061020405 - 227 = 70902926802677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69835636 + ... + 70843645.
It is an arithmetic number, because the mean of its divisors is an integer number (10635564738123).
Almost surely, 270903061020405 is an apocalyptic number.
It is an amenable number.
70903061020405 is a deficient number, since it is larger than the sum of its proper divisors (14181456884579).
70903061020405 is a wasteful number, since it uses less digits than its factorization.
70903061020405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140780087.
The product of its (nonzero) digits is 45360, while the sum is 37.
The spelling of 70903061020405 in words is "seventy trillion, nine hundred three billion, sixty-one million, twenty thousand, four hundred five".
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