Base | Representation |
---|---|
bin | 110000000010000001… |
… | …1111001010010010000 |
3 | 100212020111221000222112 |
4 | 1200010003321102100 |
5 | 3142221210020130 |
6 | 115215113324452 |
7 | 10311041652365 |
oct | 1400403712220 |
9 | 325214830875 |
10 | 103147345040 |
11 | 3a820a95003 |
12 | 17ba7a06728 |
13 | 995a8a359c |
14 | 4dc706046c |
15 | 2a3a6d6495 |
hex | 18040f9490 |
103147345040 has 40 divisors (see below), whose sum is σ = 239899338168. Its totient is φ = 41244871680.
The previous prime is 103147345039. The next prime is 103147345043. The reversal of 103147345040 is 40543741301.
It can be written as a sum of positive squares in 4 ways, for example, as 4372912384 + 98774432656 = 66128^2 + 314284^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 103147344988 and 103147345006.
It is not an unprimeable number, because it can be changed into a prime (103147345043) 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, 17930 + ... + 454550.
Almost surely, 2103147345040 is an apocalyptic number.
103147345040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103147345040 is an abundant number, since it is smaller than the sum of its proper divisors (136751993128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103147345040 is a wasteful number, since it uses less digits than its factorization.
103147345040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439587 (or 439581 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
The spelling of 103147345040 in words is "one hundred three billion, one hundred forty-seven million, three hundred forty-five thousand, forty".
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