Base | Representation |
---|---|
bin | 101111111101101010… |
… | …0111011000101111001 |
3 | 100211212022012111002221 |
4 | 1133323110323011321 |
5 | 3141421202021240 |
6 | 115152400524041 |
7 | 10304312321131 |
oct | 1377324730571 |
9 | 324768174087 |
10 | 103000813945 |
11 | 3a756302027 |
12 | 17b66920621 |
13 | 993641a5b3 |
14 | 4db17d9ac1 |
15 | 2a2c8dea4a |
hex | 17fb53b179 |
103000813945 has 16 divisors (see below), whose sum is σ = 127911114000. Its totient is φ = 79529361408.
The previous prime is 103000813891. The next prime is 103000813961. The reversal of 103000813945 is 549318000301.
It can be written as a sum of positive squares in 8 ways, for example, as 265820416 + 102734993529 = 16304^2 + 320523^2 .
It is a cyclic number.
It is not a de Polignac number, because 103000813945 - 235 = 68641075577 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 103000813945.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257821 + ... + 521989.
It is an arithmetic number, because the mean of its divisors is an integer number (7994444625).
Almost surely, 2103000813945 is an apocalyptic number.
It is an amenable number.
103000813945 is a deficient number, since it is larger than the sum of its proper divisors (24910300055).
103000813945 is a wasteful number, since it uses less digits than its factorization.
103000813945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266892.
The product of its (nonzero) digits is 12960, while the sum is 34.
The spelling of 103000813945 in words is "one hundred three billion, eight hundred thirteen thousand, nine hundred forty-five".
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