Base | Representation |
---|---|
bin | 11110111100100011110011… |
… | …01110100010011000011001 |
3 | 22220221122211022210021220012 |
4 | 33132101321232202120121 |
5 | 32404423440021033114 |
6 | 400422232425411305 |
7 | 20222362465421543 |
oct | 1736217156423031 |
9 | 286848738707805 |
10 | 68051504080409 |
11 | 1a757531a55253 |
12 | 7770a07039b35 |
13 | 2bc82c9a02975 |
14 | 12b39d338c693 |
15 | 7d029846163e |
hex | 3de479ba2619 |
68051504080409 has 16 divisors (see below), whose sum is σ = 70561319923584. Its totient is φ = 65582395190400.
The previous prime is 68051504080387. The next prime is 68051504080411. The reversal of 68051504080409 is 90408040515086.
It is not a de Polignac number, because 68051504080409 - 224 = 68051487303193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68051504080429) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22331279 + ... + 25195019.
It is an arithmetic number, because the mean of its divisors is an integer number (4410082495224).
Almost surely, 268051504080409 is an apocalyptic number.
It is an amenable number.
68051504080409 is a deficient number, since it is larger than the sum of its proper divisors (2509815843175).
68051504080409 is a wasteful number, since it uses less digits than its factorization.
68051504080409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2870848.
The product of its (nonzero) digits is 1382400, while the sum is 50.
The spelling of 68051504080409 in words is "sixty-eight trillion, fifty-one billion, five hundred four million, eighty thousand, four hundred nine".
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