Base | Representation |
---|---|
bin | 100000010110110110… |
… | …1101100011101111001 |
3 | 20122100121222101101012 |
4 | 1000231231230131321 |
5 | 2114302011230243 |
6 | 51531023203305 |
7 | 5006636624144 |
oct | 1005555543571 |
9 | 218317871335 |
10 | 69486430073 |
11 | 27518307415 |
12 | 11572a46535 |
13 | 6724c20b18 |
14 | 351272b05b |
15 | 1c1a4b6d18 |
hex | 102db6c779 |
69486430073 has 4 divisors (see below), whose sum is σ = 69529617780. Its totient is φ = 69443242368.
The previous prime is 69486430031. The next prime is 69486430081. The reversal of 69486430073 is 37003468496.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 58094496784 + 11391933289 = 241028^2 + 106733^2 .
It is a cyclic number.
It is not a de Polignac number, because 69486430073 - 26 = 69486430009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69486430093) 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, 21591440 + ... + 21594657.
It is an arithmetic number, because the mean of its divisors is an integer number (17382404445).
Almost surely, 269486430073 is an apocalyptic number.
It is an amenable number.
69486430073 is a deficient number, since it is larger than the sum of its proper divisors (43187707).
69486430073 is a wasteful number, since it uses less digits than its factorization.
69486430073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43187706.
The product of its (nonzero) digits is 2612736, while the sum is 50.
The spelling of 69486430073 in words is "sixty-nine billion, four hundred eighty-six million, four hundred thirty thousand, seventy-three".
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