Base | Representation |
---|---|
bin | 10000010000110110… |
… | …11101010001111100 |
3 | 211112111120112200112 |
4 | 20020123131101330 |
5 | 120340211201030 |
6 | 4002223045152 |
7 | 426241152212 |
oct | 101033352174 |
9 | 24474515615 |
10 | 8731350140 |
11 | 378068a657 |
12 | 18381407b8 |
13 | a91c0ab96 |
14 | 5cb882cb2 |
15 | 361811a95 |
hex | 2086dd47c |
8731350140 has 12 divisors (see below), whose sum is σ = 18335835336. Its totient is φ = 3492540048.
The previous prime is 8731350139. The next prime is 8731350149. The reversal of 8731350140 is 410531378.
It is a junction number, because it is equal to n+sod(n) for n = 8731350097 and 8731350106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8731350149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218283734 + ... + 218283773.
It is an arithmetic number, because the mean of its divisors is an integer number (1527986278).
Almost surely, 28731350140 is an apocalyptic number.
It is an amenable number.
8731350140 is an abundant number, since it is smaller than the sum of its proper divisors (9604485196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8731350140 is a wasteful number, since it uses less digits than its factorization.
8731350140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436567516 (or 436567514 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 8731350140 is about 93441.6937988605. The cubic root of 8731350140 is about 2059.1775819729.
The spelling of 8731350140 in words is "eight billion, seven hundred thirty-one million, three hundred fifty thousand, one hundred forty".
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