Base | Representation |
---|---|
bin | 111111100000110… |
… | …0100111110100000 |
3 | 12111112002010002120 |
4 | 1333001210332200 |
5 | 13331031320112 |
6 | 551245144240 |
7 | 103545135636 |
oct | 17701447640 |
9 | 5445063076 |
10 | 2131120032 |
11 | 9a3a64028 |
12 | 4b585b080 |
13 | 27c695892 |
14 | 16306b356 |
15 | c7162e8c |
hex | 7f064fa0 |
2131120032 has 48 divisors (see below), whose sum is σ = 5609046240. Its totient is φ = 708486912.
The previous prime is 2131120021. The next prime is 2131120081. The reversal of 2131120032 is 2300211312.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 2131119993 and 2131120020.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098 + ... + 65670.
It is an arithmetic number, because the mean of its divisors is an integer number (116855130).
Almost surely, 22131120032 is an apocalyptic number.
It is an amenable number.
2131120032 is an abundant number, since it is smaller than the sum of its proper divisors (3477926208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131120032 is a wasteful number, since it uses less digits than its factorization.
2131120032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58965 (or 58957 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2131120032 is about 46164.0556277284. The cubic root of 2131120032 is about 1286.8738339793.
Adding to 2131120032 its reverse (2300211312), we get a palindrome (4431331344).
The spelling of 2131120032 in words is "two billion, one hundred thirty-one million, one hundred twenty thousand, thirty-two".
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