Base | Representation |
---|---|
bin | 101111111101101001… |
… | …0010010011101010100 |
3 | 100211212020220101121112 |
4 | 1133323102102131110 |
5 | 3141421012420340 |
6 | 115152334034152 |
7 | 10304303413301 |
oct | 1377322223524 |
9 | 324766811545 |
10 | 103000123220 |
11 | 3a755980085 |
12 | 17b66648958 |
13 | 9936238097 |
14 | 4db169a0a8 |
15 | 2a2c805065 |
hex | 17fb492754 |
103000123220 has 96 divisors (see below), whose sum is σ = 226687942656. Its totient is φ = 39265142400.
The previous prime is 103000123217. The next prime is 103000123249. The reversal of 103000123220 is 22321000301.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 103000123195 and 103000123204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17030237 + ... + 17036283.
It is an arithmetic number, because the mean of its divisors is an integer number (2361332736).
Almost surely, 2103000123220 is an apocalyptic number.
103000123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103000123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113343971328).
103000123220 is an abundant number, since it is smaller than the sum of its proper divisors (123687819436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103000123220 is a wasteful number, since it uses less digits than its factorization.
103000123220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6501 (or 6499 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 103000123220 its reverse (22321000301), we get a palindrome (125321123521).
The spelling of 103000123220 in words is "one hundred three billion, one hundred twenty-three thousand, two hundred twenty".
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