Base | Representation |
---|---|
bin | 100000111110110000… |
… | …1100101001000110001 |
3 | 20202210221112201011101 |
4 | 1001331201211020301 |
5 | 2130022302302401 |
6 | 52311534444401 |
7 | 5055056143531 |
oct | 1017541451061 |
9 | 222727481141 |
10 | 70825431601 |
11 | 28045123051 |
12 | 11887363701 |
13 | 68a9463012 |
14 | 35dc4c14c1 |
15 | 1c97d0d101 |
hex | 107d865231 |
70825431601 has 2 divisors, whose sum is σ = 70825431602. Its totient is φ = 70825431600.
The previous prime is 70825431577. The next prime is 70825431641. The reversal of 70825431601 is 10613452807.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47147608225 + 23677823376 = 217135^2 + 153876^2 .
It is an emirp because it is prime and its reverse (10613452807) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70825431601 - 217 = 70825300529 is a prime.
It is a super-2 number, since 2×708254316012 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (70825431641) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35412715800 + 35412715801.
It is an arithmetic number, because the mean of its divisors is an integer number (35412715801).
Almost surely, 270825431601 is an apocalyptic number.
It is an amenable number.
70825431601 is a deficient number, since it is larger than the sum of its proper divisors (1).
70825431601 is an equidigital number, since it uses as much as digits as its factorization.
70825431601 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40320, while the sum is 37.
The spelling of 70825431601 in words is "seventy billion, eight hundred twenty-five million, four hundred thirty-one thousand, six hundred one".
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