Base | Representation |
---|---|
bin | 110000000110111100… |
… | …1001110011000011110 |
3 | 100212200000100122010100 |
4 | 1200031321032120132 |
5 | 3143040423220110 |
6 | 115243325321530 |
7 | 10315114142133 |
oct | 1401571163036 |
9 | 325600318110 |
10 | 103312320030 |
11 | 3a8a6125177 |
12 | 180331062a6 |
13 | 9985b1661a |
14 | 5000d2658a |
15 | 2a49e22bc0 |
hex | 180de4e61e |
103312320030 has 96 divisors (see below), whose sum is σ = 269760962016. Its totient is φ = 27432317952.
The previous prime is 103312320017. The next prime is 103312320031. The reversal of 103312320030 is 30023213301.
103312320030 is a `hidden beast` number, since 1 + 0 + 3 + 312 + 320 + 0 + 30 = 666.
It is a super-2 number, since 2×1033123200302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 103312319985 and 103312320012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103312320031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41774874 + ... + 41777346.
It is an arithmetic number, because the mean of its divisors is an integer number (2810010021).
Almost surely, 2103312320030 is an apocalyptic number.
103312320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103312320030 is an abundant number, since it is smaller than the sum of its proper divisors (166448641986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103312320030 is a wasteful number, since it uses less digits than its factorization.
103312320030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4282 (or 4279 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 103312320030 its reverse (30023213301), we get a palindrome (133335533331).
The spelling of 103312320030 in words is "one hundred three billion, three hundred twelve million, three hundred twenty thousand, thirty".
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