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85647744001 = 972844731039
BaseRepresentation
bin100111111000100000…
…0001101110000000001
322012001221100012021201
41033301000031300001
52400401310302001
6103202424221201
76121300545361
oct1176100156001
9265057305251
1085647744001
1133360a11806
121472330a801
1380cc237881
144206c909a1
152364224501
hex13f100dc01

85647744001 has 8 divisors (see below), whose sum is σ = 86536540160. Its totient is φ = 84759067008.

The previous prime is 85647743959. The next prime is 85647744031. The reversal of 85647744001 is 10044774658.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85647744001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85647744031) 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, 2743840 + ... + 2774878.

It is an arithmetic number, because the mean of its divisors is an integer number (10817067520).

Almost surely, 285647744001 is an apocalyptic number.

It is an amenable number.

85647744001 is a deficient number, since it is larger than the sum of its proper divisors (888796159).

85647744001 is a wasteful number, since it uses less digits than its factorization.

85647744001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59583.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 85647744001 in words is "eighty-five billion, six hundred forty-seven million, seven hundred forty-four thousand, one".

Divisors: 1 97 28447 31039 2759359 3010783 882966433 85647744001