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68307815314 = 236263941839
BaseRepresentation
bin111111100111011101…
…101000101110010010
320112022111012112212201
4333213131220232102
52104343300042224
651214041313414
74635505564414
oct774735505622
9215274175781
1068307815314
1126a72a87732
12112a419586a
1365979a643b
14343dda69b4
151b9bca2a44
hexfe7768b92

68307815314 has 8 divisors (see below), whose sum is σ = 102464657280. Its totient is φ = 34152929556.

The previous prime is 68307815267. The next prime is 68307815321. The reversal of 68307815314 is 41351870386.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398394 + ... + 543445.

It is an arithmetic number, because the mean of its divisors is an integer number (12808082160).

Almost surely, 268307815314 is an apocalyptic number.

68307815314 is a deficient number, since it is larger than the sum of its proper divisors (34156841966).

68307815314 is a wasteful number, since it uses less digits than its factorization.

68307815314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978104.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 68307815314 in words is "sixty-eight billion, three hundred seven million, eight hundred fifteen thousand, three hundred fourteen".

Divisors: 1 2 36263 72526 941839 1883678 34153907657 68307815314