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68885434801 = 419457359747
BaseRepresentation
bin100000000100111100…
…1000101000110110001
320120210202002122212001
41000021321011012301
52112034132403201
651351233534001
74656021351301
oct1001171050661
9216722078761
1068885434801
112723a039807
1211425714301
13665a567211
1434969a5601
151bd284e301
hex1009e451b1

68885434801 has 8 divisors (see below), whose sum is σ = 69201125280. Its totient is φ = 68570465568.

The previous prime is 68885434799. The next prime is 68885434823. The reversal of 68885434801 is 10843458886.

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 68885434801 - 21 = 68885434799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68885434201) 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, 11610 + ... + 371356.

It is an arithmetic number, because the mean of its divisors is an integer number (8650140660).

Almost surely, 268885434801 is an apocalyptic number.

It is an amenable number.

68885434801 is a deficient number, since it is larger than the sum of its proper divisors (315690479).

68885434801 is a wasteful number, since it uses less digits than its factorization.

68885434801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360623.

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 68885434801 in words is "sixty-eight billion, eight hundred eighty-five million, four hundred thirty-four thousand, eight hundred one".

Divisors: 1 419 457 191483 359747 150733993 164404379 68885434801