Base | Representation |
---|---|
bin | 110000000011101100… |
… | …1000000101101100011 |
3 | 100212101102001101020001 |
4 | 1200013121000231203 |
5 | 3142330010242011 |
6 | 115224431000431 |
7 | 10312320554245 |
oct | 1400731005543 |
9 | 325342041201 |
10 | 103203212131 |
11 | 3a84a582858 |
12 | 18002669117 |
13 | 9969334336 |
14 | 4dd0644095 |
15 | 2a4056e7c1 |
hex | 1807640b63 |
103203212131 has 8 divisors (see below), whose sum is σ = 104270064128. Its totient is φ = 102141405000.
The previous prime is 103203212129. The next prime is 103203212173. The reversal of 103203212131 is 131212302301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103203212131 - 21 = 103203212129 is a prime.
It is a super-2 number, since 2×1032032121312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103203212099 and 103203212108.
It is not an unprimeable number, because it can be changed into a prime (103203212191) 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, 1220085 + ... + 1301926.
It is an arithmetic number, because the mean of its divisors is an integer number (13033758016).
Almost surely, 2103203212131 is an apocalyptic number.
103203212131 is a deficient number, since it is larger than the sum of its proper divisors (1066851997).
103203212131 is a wasteful number, since it uses less digits than its factorization.
103203212131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2522433.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 103203212131 its reverse (131212302301), we get a palindrome (234415514432).
The spelling of 103203212131 in words is "one hundred three billion, two hundred three million, two hundred twelve thousand, one hundred thirty-one".
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