Base | Representation |
---|---|
bin | 100101100101100101… |
… | …0000010100011111011 |
3 | 21201100100211000022210 |
4 | 1023023022002203323 |
5 | 2310302230134412 |
6 | 101025314550203 |
7 | 5555156063523 |
oct | 1131312024373 |
9 | 251310730283 |
10 | 80717818107 |
11 | 31261116493 |
12 | 13788298363 |
13 | 77c4a72464 |
14 | 3c9a230683 |
15 | 217651083c |
hex | 12cb2828fb |
80717818107 has 16 divisors (see below), whose sum is σ = 109009856000. Its totient is φ = 53119126944.
The previous prime is 80717818079. The next prime is 80717818151. The reversal of 80717818107 is 70181871708.
It is not a de Polignac number, because 80717818107 - 27 = 80717817979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80717858107) 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, 1128744 + ... + 1198122.
It is an arithmetic number, because the mean of its divisors is an integer number (6813116000).
Almost surely, 280717818107 is an apocalyptic number.
80717818107 is a deficient number, since it is larger than the sum of its proper divisors (28292037893).
80717818107 is a wasteful number, since it uses less digits than its factorization.
80717818107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74370.
The product of its (nonzero) digits is 175616, while the sum is 48.
The spelling of 80717818107 in words is "eighty billion, seven hundred seventeen million, eight hundred eighteen thousand, one hundred seven".
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