Base | Representation |
---|---|
bin | 1000001110100… |
… | …00111000111011 |
3 | 11210212020002221 |
4 | 10013100320323 |
5 | 120131404201 |
6 | 10503104511 |
7 | 1465413142 |
oct | 407207073 |
9 | 153766087 |
10 | 69013051 |
11 | 35a57588 |
12 | 1b142137 |
13 | 113b4533 |
14 | 9246759 |
15 | 60d34a1 |
hex | 41d0e3b |
69013051 has 4 divisors (see below), whose sum is σ = 69033600. Its totient is φ = 68992504.
The previous prime is 69013039. The next prime is 69013079. The reversal of 69013051 is 15031096.
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-69013051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69013751) 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 3 ways as a sum of consecutive naturals, for example, 3931 + ... + 12388.
It is an arithmetic number, because the mean of its divisors is an integer number (17258400).
Almost surely, 269013051 is an apocalyptic number.
69013051 is a deficient number, since it is larger than the sum of its proper divisors (20549).
69013051 is a wasteful number, since it uses less digits than its factorization.
69013051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20548.
The product of its (nonzero) digits is 810, while the sum is 25.
The square root of 69013051 is about 8307.4094036589. The cubic root of 69013051 is about 410.1824510197.
The spelling of 69013051 in words is "sixty-nine million, thirteen thousand, fifty-one".
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