Base | Representation |
---|---|
bin | 111101001110101011… |
… | …0000010001001010110 |
3 | 110120101200102000121222 |
4 | 1322131112002021112 |
5 | 4123242114132000 |
6 | 140223301410342 |
7 | 12333262336613 |
oct | 1723526021126 |
9 | 416350360558 |
10 | 131488817750 |
11 | 50845011a24 |
12 | 215974099b2 |
13 | c526480094 |
14 | 65150db50a |
15 | 36488eea85 |
hex | 1e9d582256 |
131488817750 has 16 divisors (see below), whose sum is σ = 246147067296. Its totient is φ = 52595527000.
The previous prime is 131488817749. The next prime is 131488817753. The reversal of 131488817750 is 57718884131.
It is a junction number, because it is equal to n+sod(n) for n = 131488817692 and 131488817701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131488817753) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262977386 + ... + 262977885.
It is an arithmetic number, because the mean of its divisors is an integer number (15384191706).
Almost surely, 2131488817750 is an apocalyptic number.
131488817750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131488817750 is a deficient number, since it is larger than the sum of its proper divisors (114658249546).
131488817750 is an equidigital number, since it uses as much as digits as its factorization.
131488817750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525955288 (or 525955278 counting only the distinct ones).
The product of its (nonzero) digits is 1505280, while the sum is 53.
The spelling of 131488817750 in words is "one hundred thirty-one billion, four hundred eighty-eight million, eight hundred seventeen thousand, seven hundred fifty".
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