Base | Representation |
---|---|
bin | 1100010001111… |
… | …10010111011101 |
3 | 21011211202020202 |
4 | 12020332113131 |
5 | 202333002101 |
6 | 14115553245 |
7 | 2360422622 |
oct | 610762735 |
9 | 234752222 |
10 | 103015901 |
11 | 5317140a |
12 | 2a5bb825 |
13 | 1845b471 |
14 | d978349 |
15 | 909d36b |
hex | 623e5dd |
103015901 has 2 divisors, whose sum is σ = 103015902. Its totient is φ = 103015900.
The previous prime is 103015889. The next prime is 103015961. The reversal of 103015901 is 109510301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 101808100 + 1207801 = 10090^2 + 1099^2 .
It is an emirp because it is prime and its reverse (109510301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103015901 - 214 = 102999517 is a prime.
It is a super-2 number, since 2×1030159012 = 21224551717683602, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103015961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51507950 + 51507951.
It is an arithmetic number, because the mean of its divisors is an integer number (51507951).
Almost surely, 2103015901 is an apocalyptic number.
It is an amenable number.
103015901 is a deficient number, since it is larger than the sum of its proper divisors (1).
103015901 is an equidigital number, since it uses as much as digits as its factorization.
103015901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 135, while the sum is 20.
The square root of 103015901 is about 10149.6749209026. The cubic root of 103015901 is about 468.7789354346.
The spelling of 103015901 in words is "one hundred three million, fifteen thousand, nine hundred one".
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