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8719925117 = 2329315373109
BaseRepresentation
bin10000001111011111…
…10111111101111101
3211111201002002111112
420013233313331331
5120324300100432
64001134131405
7426042066131
oct100757677575
924451062445
108719925117
113775196892
121834350b65
13a8c73a807
145ca14b3c1
153608067b2
hex207bf7f7d

8719925117 has 64 divisors (see below), whose sum is σ = 10127462400. Its totient is φ = 7472424960.

The previous prime is 8719925083. The next prime is 8719925147. The reversal of 8719925117 is 7115299178.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8719925117 - 210 = 8719924093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8719925147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79999259 + ... + 79999367.

It is an arithmetic number, because the mean of its divisors is an integer number (158241600).

Almost surely, 28719925117 is an apocalyptic number.

It is an amenable number.

8719925117 is a deficient number, since it is larger than the sum of its proper divisors (1407537283).

8719925117 is a wasteful number, since it uses less digits than its factorization.

8719925117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its digits is 317520, while the sum is 50.

The square root of 8719925117 is about 93380.5392841571. The cubic root of 8719925117 is about 2058.2790412855.

The spelling of 8719925117 in words is "eight billion, seven hundred nineteen million, nine hundred twenty-five thousand, one hundred seventeen".

Divisors: 1 23 29 31 53 73 109 667 713 899 1219 1537 1643 1679 2117 2263 2507 3161 3379 3869 5777 7957 20677 35351 37789 47647 48691 52049 65627 72703 77717 88987 97991 112201 119939 132871 167533 179087 183011 230753 246667 421721 1095881 1509421 2253793 2580623 2758597 3478231 3853259 4119001 5193523 5307319 5673341 7153343 9699583 12229909 13073351 79999313 119451029 164526889 281287907 300687073 379127179 8719925117