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8072147121401 = 11279159842759
BaseRepresentation
bin111010101110111000101…
…1101100011010011111001
31001120200121210220220120202
41311131301131203103321
52024223224130341101
625100143155131545
71462123221301106
oct165356135432371
931520553826522
108072147121401
112632418678400
12aa45298a3bb5
1346727ab1773c
141dc9a04c9aad
15dee95cea36b
hex757717634f9

8072147121401 has 12 divisors (see below), whose sum is σ = 8872813252800. Its totient is φ = 7338214154040.

The previous prime is 8072147121377. The next prime is 8072147121433. The reversal of 8072147121401 is 1041217412708.

It is not a de Polignac number, because 8072147121401 - 222 = 8072142927097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8072147121001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9156860 + ... + 9999618.

It is an arithmetic number, because the mean of its divisors is an integer number (739401104400).

Almost surely, 28072147121401 is an apocalyptic number.

It is an amenable number.

8072147121401 is a deficient number, since it is larger than the sum of its proper divisors (800666131399).

8072147121401 is a wasteful number, since it uses less digits than its factorization.

8072147121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921940 (or 921929 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The spelling of 8072147121401 in words is "eight trillion, seventy-two billion, one hundred forty-seven million, one hundred twenty-one thousand, four hundred one".

Divisors: 1 11 121 79159 842759 870749 9270349 9578239 101973839 66711959681 733831556491 8072147121401