Base | Representation |
---|---|
bin | 1000011000000… |
… | …00110101011101 |
3 | 11220012110212122 |
4 | 10030000311131 |
5 | 120441224023 |
6 | 10545512325 |
7 | 1512116600 |
oct | 414006535 |
9 | 156173778 |
10 | 70258013 |
11 | 36727981 |
12 | 1b6426a5 |
13 | 1172c0b7 |
14 | 948c337 |
15 | 627c2c8 |
hex | 4300d5d |
70258013 has 12 divisors (see below), whose sum is σ = 82167552. Its totient is φ = 59897880.
The previous prime is 70257977. The next prime is 70258043. The reversal of 70258013 is 31085207.
It is not a de Polignac number, because 70258013 - 26 = 70257949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70258043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5606 + ... + 13112.
It is an arithmetic number, because the mean of its divisors is an integer number (6847296).
Almost surely, 270258013 is an apocalyptic number.
It is an amenable number.
70258013 is a deficient number, since it is larger than the sum of its proper divisors (11909539).
70258013 is a wasteful number, since it uses less digits than its factorization.
70258013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7712 (or 7705 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 70258013 is about 8382.0053089938. The cubic root of 70258013 is about 412.6342639768.
The spelling of 70258013 in words is "seventy million, two hundred fifty-eight thousand, thirteen".
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