Base | Representation |
---|---|
bin | 111000011001000110… |
… | …0111010101100100000 |
3 | 102120120202112000221002 |
4 | 1300302030322230200 |
5 | 3441003420044412 |
6 | 131344433451132 |
7 | 11515001221430 |
oct | 1606214725440 |
9 | 376522460832 |
10 | 121101331232 |
11 | 473a45a9622 |
12 | 1b578710aa8 |
13 | b55c412c5b |
14 | 5c0b7102c0 |
15 | 323ba00dc2 |
hex | 1c3233ab20 |
121101331232 has 48 divisors (see below), whose sum is σ = 272511412992. Its totient is φ = 51894205440.
The previous prime is 121101331201. The next prime is 121101331289. The reversal of 121101331232 is 232133101121.
It is a happy number.
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, 2104313 + ... + 2161095.
It is an arithmetic number, because the mean of its divisors is an integer number (5677321104).
Almost surely, 2121101331232 is an apocalyptic number.
It is an amenable number.
121101331232 is an abundant number, since it is smaller than the sum of its proper divisors (151410081760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121101331232 is an equidigital number, since it uses as much as digits as its factorization.
121101331232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66321 (or 66313 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 121101331232 its reverse (232133101121), we get a palindrome (353234432353).
The spelling of 121101331232 in words is "one hundred twenty-one billion, one hundred one million, three hundred thirty-one thousand, two hundred thirty-two".
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