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68041430439 = 373930690767
BaseRepresentation
bin111111010111100101…
…011101010110100111
320111121220221210112020
4333113211131112213
52103322101233224
651131403554223
74626062421213
oct772745352647
9214556853466
1068041430439
1126946682844
121122ab2b973
136554747c58
143416863943
151b836d3c79
hexfd795d5a7

68041430439 has 8 divisors (see below), whose sum is σ = 90844673280. Its totient is φ = 45299570616.

The previous prime is 68041430383. The next prime is 68041430447. The reversal of 68041430439 is 93403414086.

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

It is not a de Polignac number, because 68041430439 - 29 = 68041429927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68041430439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68041430459) 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, 15343167 + ... + 15347600.

It is an arithmetic number, because the mean of its divisors is an integer number (11355584160).

Almost surely, 268041430439 is an apocalyptic number.

68041430439 is a deficient number, since it is larger than the sum of its proper divisors (22803242841).

68041430439 is a wasteful number, since it uses less digits than its factorization.

68041430439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30691509.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 68041430439 in words is "sixty-eight billion, forty-one million, four hundred thirty thousand, four hundred thirty-nine".

Divisors: 1 3 739 2217 30690767 92072301 22680476813 68041430439