Base | Representation |
---|---|
bin | 1000010110111… |
… | …11001001010001 |
3 | 11212221110120200 |
4 | 10023133021101 |
5 | 120422320032 |
6 | 10542525413 |
7 | 1511003352 |
oct | 413371121 |
9 | 155843520 |
10 | 70120017 |
11 | 36643230 |
12 | 1b596869 |
13 | 116b1346 |
14 | 9453d29 |
15 | 625147c |
hex | 42df251 |
70120017 has 12 divisors (see below), whose sum is σ = 110492304. Its totient is φ = 42496920.
The previous prime is 70119967. The next prime is 70120067. The reversal of 70120017 is 71002107.
It is an interprime number because it is at equal distance from previous prime (70119967) and next prime (70120067).
It is not a de Polignac number, because 70120017 - 28 = 70119761 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70120067) 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 11 ways as a sum of consecutive naturals, for example, 354043 + ... + 354240.
It is an arithmetic number, because the mean of its divisors is an integer number (9207692).
Almost surely, 270120017 is an apocalyptic number.
It is an amenable number.
70120017 is a deficient number, since it is larger than the sum of its proper divisors (40372287).
70120017 is a wasteful number, since it uses less digits than its factorization.
70120017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 708300 (or 708297 counting only the distinct ones).
The product of its (nonzero) digits is 98, while the sum is 18.
The square root of 70120017 is about 8373.7695812579. The cubic root of 70120017 is about 412.3639308781.
The spelling of 70120017 in words is "seventy million, one hundred twenty thousand, seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •