Base | Representation |
---|---|
bin | 100000010101001100… |
… | …0111000001100101001 |
3 | 20122012202000000202212 |
4 | 1000222120320030221 |
5 | 2114143221011244 |
6 | 51521311334505 |
7 | 5005361500121 |
oct | 1005230701451 |
9 | 218182000685 |
10 | 69430641449 |
11 | 27499872614 |
12 | 11558221435 |
13 | 67164b99c0 |
14 | 3509167c81 |
15 | 1c15646d9e |
hex | 102a638329 |
69430641449 has 8 divisors (see below), whose sum is σ = 74810695680. Its totient is φ = 64056192336.
The previous prime is 69430641437. The next prime is 69430641481. The reversal of 69430641449 is 94414603496.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 69430641449 - 24 = 69430641433 is a prime.
It is a super-2 number, since 2×694306414492 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69430641397 and 69430641406.
It is not an unprimeable number, because it can be changed into a prime (69430646449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375529 + ... + 1425110.
It is an arithmetic number, because the mean of its divisors is an integer number (9351336960).
Almost surely, 269430641449 is an apocalyptic number.
It is an amenable number.
69430641449 is a deficient number, since it is larger than the sum of its proper divisors (5380054231).
69430641449 is a wasteful number, since it uses less digits than its factorization.
69430641449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2802559.
The product of its (nonzero) digits is 2239488, while the sum is 50.
The spelling of 69430641449 in words is "sixty-nine billion, four hundred thirty million, six hundred forty-one thousand, four hundred forty-nine".
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