Base | Representation |
---|---|
bin | 11111001010011011101111… |
… | …01000100011100100111111 |
3 | 22222122020021210200202211020 |
4 | 33211031313220203210333 |
5 | 32440231233320442441 |
6 | 401425231502555223 |
7 | 20301666635602230 |
oct | 1745156750434477 |
9 | 288566253622736 |
10 | 68528210327871 |
11 | 1a920718226698 |
12 | 7829286b98b13 |
13 | 2c3124ac702c8 |
14 | 12ccad6a99087 |
15 | 7dc8990abe66 |
hex | 3e5377a2393f |
68528210327871 has 8 divisors (see below), whose sum is σ = 104423939547264. Its totient is φ = 39158977330200.
The previous prime is 68528210327849. The next prime is 68528210327873. The reversal of 68528210327871 is 17872301282586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68528210327871 - 231 = 68526062844223 is a prime.
It is a super-2 number, since 2×685282103278712 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68528210327873) 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, 1631624055405 + ... + 1631624055446.
It is an arithmetic number, because the mean of its divisors is an integer number (13052992443408).
Almost surely, 268528210327871 is an apocalyptic number.
68528210327871 is a deficient number, since it is larger than the sum of its proper divisors (35895729219393).
68528210327871 is a wasteful number, since it uses less digits than its factorization.
68528210327871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3263248110861.
The product of its (nonzero) digits is 18063360, while the sum is 60.
The spelling of 68528210327871 in words is "sixty-eight trillion, five hundred twenty-eight billion, two hundred ten million, three hundred twenty-seven thousand, eight hundred seventy-one".
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