Base | Representation |
---|---|
bin | 110000000110111010… |
… | …0010011101110111110 |
3 | 100212122220221011020000 |
4 | 1200031310103232332 |
5 | 3143040110444410 |
6 | 115243241535130 |
7 | 10315100163531 |
oct | 1401564235676 |
9 | 325586834200 |
10 | 103311031230 |
11 | 3a8a5424950 |
12 | 180327a44a6 |
13 | 9985784b14 |
14 | 5000aaca18 |
15 | 2a49c6adc0 |
hex | 180dd13bbe |
103311031230 has 160 divisors (see below), whose sum is σ = 307570538880. Its totient is φ = 24671148480.
The previous prime is 103311031207. The next prime is 103311031247. The reversal of 103311031230 is 32130113301.
It is a happy number.
103311031230 is a `hidden beast` number, since 1 + 0 + 331 + 103 + 1 + 230 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 510441 + ... + 683499.
It is an arithmetic number, because the mean of its divisors is an integer number (1922315868).
Almost surely, 2103311031230 is an apocalyptic number.
103311031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 103311031230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153785269440).
103311031230 is an abundant number, since it is smaller than the sum of its proper divisors (204259507650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103311031230 is a wasteful number, since it uses less digits than its factorization.
103311031230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173156 (or 173147 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 103311031230 its reverse (32130113301), we get a palindrome (135441144531).
The spelling of 103311031230 in words is "one hundred three billion, three hundred eleven million, thirty-one thousand, two hundred thirty".
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