Base | Representation |
---|---|
bin | 1000001010101011011… |
… | …0011011110101001000 |
3 | 111102011010021021010222 |
4 | 2002222312123311020 |
5 | 4244321132144320 |
6 | 144242210325212 |
7 | 13064616540266 |
oct | 2025266336510 |
9 | 442133237128 |
10 | 140305349960 |
11 | 54559792086 |
12 | 23237b89808 |
13 | 102ccc13c49 |
14 | 6b0ddd5436 |
15 | 39b293a825 |
hex | 20aad9bd48 |
140305349960 has 96 divisors (see below), whose sum is σ = 335658413160. Its totient is φ = 52772143104.
The previous prime is 140305349959. The next prime is 140305349969. The reversal of 140305349960 is 69943503041.
It can be written as a sum of positive squares in 12 ways, for example, as 13772900164 + 126532449796 = 117358^2 + 355714^2 .
It is not an unprimeable number, because it can be changed into a prime (140305349969) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14063534 + ... + 14073506.
Almost surely, 2140305349960 is an apocalyptic number.
140305349960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140305349960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167829206580).
140305349960 is an abundant number, since it is smaller than the sum of its proper divisors (195353063200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140305349960 is a wasteful number, since it uses less digits than its factorization.
140305349960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11235 (or 11214 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 44.
The spelling of 140305349960 in words is "one hundred forty billion, three hundred five million, three hundred forty-nine thousand, nine hundred sixty".
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