Base | Representation |
---|---|
bin | 1111110010111001… |
… | …11100011101000011 |
3 | 210212222202210020011 |
4 | 13321130330131003 |
5 | 114331400103411 |
6 | 3521245325351 |
7 | 420100335232 |
oct | 77134743503 |
9 | 23788683204 |
10 | 8480081731 |
11 | 366186aa10 |
12 | 1787b66857 |
13 | a51b43054 |
14 | 5a6356b19 |
15 | 34972bc21 |
hex | 1f973c743 |
8480081731 has 16 divisors (see below), whose sum is σ = 9353363040. Its totient is φ = 7623982080.
The previous prime is 8480081717. The next prime is 8480081747. The reversal of 8480081731 is 1371800848.
It is a de Polignac number, because none of the positive numbers 2k-8480081731 is a prime.
It is a super-2 number, since 2×84800817312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8480081711) 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, 2162985 + ... + 2166901.
It is an arithmetic number, because the mean of its divisors is an integer number (584585190).
Almost surely, 28480081731 is an apocalyptic number.
8480081731 is a deficient number, since it is larger than the sum of its proper divisors (873281309).
8480081731 is a wasteful number, since it uses less digits than its factorization.
8480081731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6054.
The product of its (nonzero) digits is 43008, while the sum is 40.
The square root of 8480081731 is about 92087.3592356736. The cubic root of 8480081731 is about 2039.2321962366.
It can be divided in two parts, 84800817 and 31, that added together give a palindrome (84800848).
The spelling of 8480081731 in words is "eight billion, four hundred eighty million, eighty-one thousand, seven hundred thirty-one".
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