Base | Representation |
---|---|
bin | 1000010110111… |
… | …11010000111011 |
3 | 11212221111020211 |
4 | 10023133100323 |
5 | 120422324012 |
6 | 10542531551 |
7 | 1511004652 |
oct | 413372073 |
9 | 155844224 |
10 | 70120507 |
11 | 36643636 |
12 | 1b596bb7 |
13 | 116b1632 |
14 | 9454199 |
15 | 62516a7 |
hex | 42df43b |
70120507 has 4 divisors (see below), whose sum is σ = 73811080. Its totient is φ = 66429936.
The previous prime is 70120433. The next prime is 70120511. The reversal of 70120507 is 70502107.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70120507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70100507) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845258 + ... + 1845295.
It is an arithmetic number, because the mean of its divisors is an integer number (18452770).
Almost surely, 270120507 is an apocalyptic number.
70120507 is a deficient number, since it is larger than the sum of its proper divisors (3690573).
70120507 is a wasteful number, since it uses less digits than its factorization.
70120507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3690572.
The product of its (nonzero) digits is 490, while the sum is 22.
The square root of 70120507 is about 8373.7988392366. The cubic root of 70120507 is about 412.3648914115.
The spelling of 70120507 in words is "seventy million, one hundred twenty thousand, five hundred seven".
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