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68785605000 = 2334547191277
BaseRepresentation
bin100000000001111110…
…0010000100110001000
320120112210020210010000
41000003330100212020
52111333103330000
651333310123000
74653366665310
oct1000374204610
9216483223100
1068785605000
1127198754142
12113b81b0460
136642983028
14348761a440
151bc8bd0000
hex1003f10988

68785605000 has 800 divisors, whose sum is σ = 289853467200. Its totient is φ = 14883264000.

The previous prime is 68785604963. The next prime is 68785605011. The reversal of 68785605000 is 50658786.

68785605000 is a `hidden beast` number, since 6 + 8 + 7 + 85 + 60 + 500 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 53864362 + ... + 53865638.

It is an arithmetic number, because the mean of its divisors is an integer number (362316834).

Almost surely, 268785605000 is an apocalyptic number.

68785605000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68785605000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144926733600).

68785605000 is an abundant number, since it is smaller than the sum of its proper divisors (221067862200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68785605000 is a wasteful number, since it uses less digits than its factorization.

68785605000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 68785605000 in words is "sixty-eight billion, seven hundred eighty-five million, six hundred five thousand".