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68295448697 = 712837604437
BaseRepresentation
bin111111100110101110…
…011101100001111001
320112021121221021001212
4333212232131201321
52104332113324242
651212520252505
74635265510220
oct774656354171
9215247837055
1068295448697
1126a67000493
12112a0011135
136595266608
14343c4a7cb7
151b9ab5d782
hexfe6b9d879

68295448697 has 8 divisors (see below), whose sum is σ = 78112787136. Its totient is φ = 58493321712.

The previous prime is 68295448679. The next prime is 68295448709. The reversal of 68295448697 is 79684459286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68295448697 - 212 = 68295444601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68295448607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3793238 + ... + 3811199.

It is an arithmetic number, because the mean of its divisors is an integer number (9764098392).

Almost surely, 268295448697 is an apocalyptic number.

It is an amenable number.

68295448697 is a deficient number, since it is larger than the sum of its proper divisors (9817338439).

68295448697 is a wasteful number, since it uses less digits than its factorization.

68295448697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605727.

The product of its digits is 209018880, while the sum is 68.

The spelling of 68295448697 in words is "sixty-eight billion, two hundred ninety-five million, four hundred forty-eight thousand, six hundred ninety-seven".

Divisors: 1 7 1283 8981 7604437 53231059 9756492671 68295448697