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68129153575282 = 2296819311476537
BaseRepresentation
bin11110111110110100011011…
…11111110110100101110010
322221020002020212000100000201
433133122031333312211302
532412212001303402112
6400522033455505414
720231111636301532
oct1737321577664562
9287202225010021
1068129153575282
111a787459085008
127783a7782826a
132c02722b8b337
1412b767bcad4c2
157d22e03d4257
hex3df68dff6972

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".

Divisors: 1 2 2968193 5936386 11476537 22953074 34064576787641 68129153575282