Base | Representation |
---|---|
bin | 100000001001111001… |
… | …0111110011100010100 |
3 | 20121020022210001222200 |
4 | 1000103302332130110 |
5 | 2112404202404204 |
6 | 51415531324500 |
7 | 4663106654625 |
oct | 1002362763424 |
9 | 217208701880 |
10 | 69051606804 |
11 | 27314917244 |
12 | 114712b0730 |
13 | 6685b0904b |
14 | 34b0a9da4c |
15 | 1be2225539 |
hex | 1013cbe714 |
69051606804 has 18 divisors (see below), whose sum is σ = 174547117290. Its totient is φ = 23017202256.
The previous prime is 69051606719. The next prime is 69051606817. The reversal of 69051606804 is 40860615096.
It can be written as a sum of positive squares in only one way, i.e., 47895322500 + 21156284304 = 218850^2 + 145452^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a self number, because there is not a number n which added to its sum of digits gives 69051606804.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 959050059 + ... + 959050130.
Almost surely, 269051606804 is an apocalyptic number.
It is an amenable number.
69051606804 is an abundant number, since it is smaller than the sum of its proper divisors (105495510486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69051606804 is a wasteful number, since it uses less digits than its factorization.
69051606804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1918100199 (or 1918100194 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The spelling of 69051606804 in words is "sixty-nine billion, fifty-one million, six hundred six thousand, eight hundred four".
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