Base | Representation |
---|---|
bin | 100000110011100101… |
… | …1101011000101110101 |
3 | 20201211211012210020200 |
4 | 1001213023223011311 |
5 | 2123240322340234 |
6 | 52210424351113 |
7 | 5042555064216 |
oct | 1014713530565 |
9 | 221754183220 |
10 | 70450590069 |
11 | 27972581062 |
12 | 117a1915499 |
13 | 68498bcab2 |
14 | 35a47c940d |
15 | 1c74e68d99 |
hex | 10672eb175 |
70450590069 has 24 divisors (see below), whose sum is σ = 107939475072. Its totient is φ = 44125722240.
The previous prime is 70450590043. The next prime is 70450590073. The reversal of 70450590069 is 96009505407.
It is a happy number.
70450590069 is a `hidden beast` number, since 7 + 0 + 4 + 50 + 590 + 0 + 6 + 9 = 666.
It is not a de Polignac number, because 70450590069 - 212 = 70450585973 is a prime.
It is a super-2 number, since 2×704505900692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70450590079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322797 + ... + 495074.
It is an arithmetic number, because the mean of its divisors is an integer number (4497478128).
Almost surely, 270450590069 is an apocalyptic number.
It is an amenable number.
70450590069 is a deficient number, since it is larger than the sum of its proper divisors (37488885003).
70450590069 is a wasteful number, since it uses less digits than its factorization.
70450590069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818457 (or 818454 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 45.
The spelling of 70450590069 in words is "seventy billion, four hundred fifty million, five hundred ninety thousand, sixty-nine".
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