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8917425709085 = 51997967707619
BaseRepresentation
bin1000000111000011111111…
…1111011110000000011101
31011120111102201201020002102
42001300333333132000131
52132100341440142320
630544335300534445
71610156056610315
oct201607777360035
934514381636072
108917425709085
11292894a3771a3
12100030b9b1425
134c8ba9616b1a
1422b86a0bc445
15106e6920a175
hex81c3ffde01d

8917425709085 has 16 divisors (see below), whose sum is σ = 11380241611200. Its totient is φ = 6688795055616.

The previous prime is 8917425709081. The next prime is 8917425709091. The reversal of 8917425709085 is 5809075247198.

It is a cyclic number.

It is not a de Polignac number, because 8917425709085 - 22 = 8917425709081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8917425709081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483844595 + ... + 483863024.

It is an arithmetic number, because the mean of its divisors is an integer number (711265100700).

Almost surely, 28917425709085 is an apocalyptic number.

It is an amenable number.

8917425709085 is a deficient number, since it is larger than the sum of its proper divisors (2462815902115).

8917425709085 is a wasteful number, since it uses less digits than its factorization.

8917425709085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967707740.

The product of its (nonzero) digits is 50803200, while the sum is 65.

The spelling of 8917425709085 in words is "eight trillion, nine hundred seventeen billion, four hundred twenty-five million, seven hundred nine thousand, eighty-five".

Divisors: 1 5 19 95 97 485 1843 9215 967707619 4838538095 18386444761 91932223805 93867639043 469338195215 1783485141817 8917425709085