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68971379323 = 711895732199
BaseRepresentation
bin100000000111100000…
…0111011101001111011
320121000201211002120111
41000033000323221323
52112223133114243
651403544005151
74661114023360
oct1001700735173
9217021732514
1068971379323
1127283600140
121144a4607b7
1366722c9272
1434a4178467
151bda17939d
hex100f03ba7b

68971379323 has 8 divisors (see below), whose sum is σ = 85990291200. Its totient is φ = 53743931880.

The previous prime is 68971379299. The next prime is 68971379327. The reversal of 68971379323 is 32397317986.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68971379323 - 25 = 68971379291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68971379327) 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, 447866023 + ... + 447866176.

It is an arithmetic number, because the mean of its divisors is an integer number (10748786400).

Almost surely, 268971379323 is an apocalyptic number.

68971379323 is a deficient number, since it is larger than the sum of its proper divisors (17018911877).

68971379323 is a wasteful number, since it uses less digits than its factorization.

68971379323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895732217.

The product of its digits is 10287648, while the sum is 58.

The spelling of 68971379323 in words is "sixty-eight billion, nine hundred seventy-one million, three hundred seventy-nine thousand, three hundred twenty-three".

Divisors: 1 7 11 77 895732199 6270125393 9853054189 68971379323