Base | Representation |
---|---|
bin | 110000000110111100… |
… | …1100110110111010101 |
3 | 100212200000112201200101 |
4 | 1200031321212313111 |
5 | 3143040434422214 |
6 | 115243331414101 |
7 | 10315115040400 |
oct | 1401571466725 |
9 | 325600481611 |
10 | 103312420309 |
11 | 3a8a619354a |
12 | 18033154331 |
13 | 9985b50167 |
14 | 5000d50d37 |
15 | 2a49e42774 |
hex | 180de66dd5 |
103312420309 has 12 divisors (see below), whose sum is σ = 120783684000. Its totient is φ = 88108502328.
The previous prime is 103312420307. The next prime is 103312420399. The reversal of 103312420309 is 903024213301.
It is not a de Polignac number, because 103312420309 - 21 = 103312420307 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103312420307) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5287779 + ... + 5307280.
It is an arithmetic number, because the mean of its divisors is an integer number (10065307000).
Almost surely, 2103312420309 is an apocalyptic number.
It is an amenable number.
103312420309 is a deficient number, since it is larger than the sum of its proper divisors (17471263691).
103312420309 is a wasteful number, since it uses less digits than its factorization.
103312420309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10595272 (or 10595265 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 28.
The spelling of 103312420309 in words is "one hundred three billion, three hundred twelve million, four hundred twenty thousand, three hundred nine".
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