Base | Representation |
---|---|
bin | 101111111110100110… |
… | …0011000110111001100 |
3 | 100211221111010120001121 |
4 | 1133331030120313030 |
5 | 3142002211143040 |
6 | 115155440050324 |
7 | 10305142443430 |
oct | 1377514306714 |
9 | 324844116047 |
10 | 103032131020 |
11 | 3a771a52005 |
12 | 17b753039a4 |
13 | 993ca63c00 |
14 | 4db5a2c9c0 |
15 | 2a30528c4a |
hex | 17fd318dcc |
103032131020 has 72 divisors (see below), whose sum is σ = 267761670624. Its totient is φ = 32607963648.
The previous prime is 103032130961. The next prime is 103032131021. The reversal of 103032131020 is 20131230301.
It is a junction number, because it is equal to n+sod(n) for n = 103032130985 and 103032131003.
It is not an unprimeable number, because it can be changed into a prime (103032131021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2153689 + ... + 2201008.
It is an arithmetic number, because the mean of its divisors is an integer number (3718912092).
Almost surely, 2103032131020 is an apocalyptic number.
103032131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103032131020 is an abundant number, since it is smaller than the sum of its proper divisors (164729539604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103032131020 is a wasteful number, since it uses less digits than its factorization.
103032131020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4354739 (or 4354724 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 103032131020 its reverse (20131230301), we get a palindrome (123163361321).
The spelling of 103032131020 in words is "one hundred three billion, thirty-two million, one hundred thirty-one thousand, twenty".
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