Base | Representation |
---|---|
bin | 1000010110001… |
… | …01000001010101 |
3 | 11212202000210120 |
4 | 10023011001111 |
5 | 120410404023 |
6 | 10540342153 |
7 | 1510046400 |
oct | 413050125 |
9 | 155660716 |
10 | 70013013 |
11 | 3657a8a4 |
12 | 1b544959 |
13 | 11674725 |
14 | 9426d37 |
15 | 622e8e3 |
hex | 42c5055 |
70013013 has 12 divisors (see below), whose sum is σ = 108591840. Its totient is φ = 40007352.
The previous prime is 70013003. The next prime is 70013017. The reversal of 70013013 is 31031007.
It is not a de Polignac number, because 70013013 - 24 = 70012997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70012983 and 70013001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70013017) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237993 + ... + 238286.
It is an arithmetic number, because the mean of its divisors is an integer number (9049320).
Almost surely, 270013013 is an apocalyptic number.
It is an amenable number.
70013013 is a deficient number, since it is larger than the sum of its proper divisors (38578827).
70013013 is a wasteful number, since it uses less digits than its factorization.
70013013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476296 (or 476289 counting only the distinct ones).
The product of its (nonzero) digits is 63, while the sum is 15.
The square root of 70013013 is about 8367.3779046963. The cubic root of 70013013 is about 412.1540666297.
The spelling of 70013013 in words is "seventy million, thirteen thousand, thirteen".
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