Base | Representation |
---|---|
bin | 11110111110110100011011… |
… | …11111110110100101110010 |
3 | 22221020002020212000100000201 |
4 | 33133122031333312211302 |
5 | 32412212001303402112 |
6 | 400522033455505414 |
7 | 20231111636301532 |
oct | 1737321577664562 |
9 | 287202225010021 |
10 | 68129153575282 |
11 | 1a787459085008 |
12 | 7783a7782826a |
13 | 2c02722b8b337 |
14 | 12b767bcad4c2 |
15 | 7d22e03d4257 |
hex | 3df68dff6972 |
68129153575282 has 8 divisors (see below), whose sum is σ = 102193773697116. Its totient is φ = 34064562342912.
The previous prime is 68129153575271. The next prime is 68129153575289. The reversal of 68129153575282 is 28257535192186.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 48054551115321 + 20074602459961 = 6932139^2 + 4480469^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (68129153575289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198118 + ... + 11674654.
Almost surely, 268129153575282 is an apocalyptic number.
68129153575282 is a deficient number, since it is larger than the sum of its proper divisors (34064620121834).
68129153575282 is a wasteful number, since it uses less digits than its factorization.
68129153575282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14444732.
The product of its digits is 72576000, while the sum is 64.
The spelling of 68129153575282 in words is "sixty-eight trillion, one hundred twenty-nine billion, one hundred fifty-three million, five hundred seventy-five thousand, two hundred eighty-two".
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