Base | Representation |
---|---|
bin | 1000010110111… |
… | …01000001010011 |
3 | 11212221000122101 |
4 | 10023131001103 |
5 | 120422030230 |
6 | 10542421231 |
7 | 1510636111 |
oct | 413350123 |
9 | 155830571 |
10 | 70111315 |
11 | 3663773a |
12 | 1b591817 |
13 | 116aa3b1 |
14 | 9450ab1 |
15 | 624daca |
hex | 42dd053 |
70111315 has 32 divisors (see below), whose sum is σ = 92378880. Its totient is φ = 50878464.
The previous prime is 70111297. The next prime is 70111319. The reversal of 70111315 is 51311107.
It is a 11-Lehmer number, since φ(70111315) divides (70111315-1)11.
It is a cyclic number.
It is not a de Polignac number, because 70111315 - 219 = 69587027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70111292 and 70111301.
It is not an unprimeable number, because it can be changed into a prime (70111319) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355797 + ... + 355993.
It is an arithmetic number, because the mean of its divisors is an integer number (2886840).
Almost surely, 270111315 is an apocalyptic number.
70111315 is the 4187-th decagonal number.
70111315 is a deficient number, since it is larger than the sum of its proper divisors (22267565).
70111315 is a wasteful number, since it uses less digits than its factorization.
70111315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351.
The product of its (nonzero) digits is 105, while the sum is 19.
The square root of 70111315 is about 8373.2499664109. The cubic root of 70111315 is about 412.3468718436.
The spelling of 70111315 in words is "seventy million, one hundred eleven thousand, three hundred fifteen".
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