Base | Representation |
---|---|
bin | 100000101100010010… |
… | …0011000000011001101 |
3 | 20201012201212012220110 |
4 | 1001120210120003031 |
5 | 2122240041014222 |
6 | 52130225310233 |
7 | 5033520055104 |
oct | 1013044300315 |
9 | 221181765813 |
10 | 70205407437 |
11 | 27857138790 |
12 | 11733795379 |
13 | 680ab76009 |
14 | 358000503b |
15 | 1c5d68730c |
hex | 10589180cd |
70205407437 has 32 divisors (see below), whose sum is σ = 108567392256. Its totient is φ = 39930862400.
The previous prime is 70205407409. The next prime is 70205407457. The reversal of 70205407437 is 73470450207.
It is not a de Polignac number, because 70205407437 - 212 = 70205403341 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70205407395 and 70205407404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70205407457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 832389 + ... + 912842.
It is an arithmetic number, because the mean of its divisors is an integer number (3392731008).
Almost surely, 270205407437 is an apocalyptic number.
It is an amenable number.
70205407437 is a deficient number, since it is larger than the sum of its proper divisors (38361984819).
70205407437 is a wasteful number, since it uses less digits than its factorization.
70205407437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1745321.
The product of its (nonzero) digits is 164640, while the sum is 39.
The spelling of 70205407437 in words is "seventy billion, two hundred five million, four hundred seven thousand, four hundred thirty-seven".
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