Base | Representation |
---|---|
bin | 100000100100101011… |
… | …0010100101100110001 |
3 | 20200112221101111120002 |
4 | 1001021112110230301 |
5 | 2121224204043312 |
6 | 52045024355345 |
7 | 5024266513616 |
oct | 1011126245461 |
9 | 220487344502 |
10 | 69950065457 |
11 | 27735a96558 |
12 | 11682175b55 |
13 | 6799cb2c9c |
14 | 355813850d |
15 | 1c4604a4c2 |
hex | 1049594b31 |
69950065457 has 4 divisors (see below), whose sum is σ = 69951256356. Its totient is φ = 69948874560.
The previous prime is 69950065453. The next prime is 69950065477. The reversal of 69950065457 is 75456005996.
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 62815898161 + 7134167296 = 250631^2 + 84464^2 .
It is a cyclic number.
It is not a de Polignac number, because 69950065457 - 22 = 69950065453 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69950065453) 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, 502508 + ... + 626429.
It is an arithmetic number, because the mean of its divisors is an integer number (17487814089).
Almost surely, 269950065457 is an apocalyptic number.
It is an amenable number.
69950065457 is a deficient number, since it is larger than the sum of its proper divisors (1190899).
69950065457 is a wasteful number, since it uses less digits than its factorization.
69950065457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1190898.
The product of its (nonzero) digits is 10206000, while the sum is 56.
The spelling of 69950065457 in words is "sixty-nine billion, nine hundred fifty million, sixty-five thousand, four hundred fifty-seven".
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