Base | Representation |
---|---|
bin | 11110110110100111100… |
… | …111011001110000101011 |
3 | 21111200200112200112102222 |
4 | 132312213213121300223 |
5 | 234214213114014011 |
6 | 4302004244344255 |
7 | 306116205103115 |
oct | 36664747316053 |
9 | 7450615615388 |
10 | 2120231001131 |
11 | 748204142531 |
12 | 2a2ab90a508b |
13 | 124c2456b5a9 |
14 | 748967683b5 |
15 | 3a2433b2ddb |
hex | 1eda79d9c2b |
2120231001131 has 8 divisors (see below), whose sum is σ = 2120966441664. Its totient is φ = 2119495694400.
The previous prime is 2120231001089. The next prime is 2120231001181. The reversal of 2120231001131 is 1311001320212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2120231001131 - 226 = 2120163892267 is a prime.
It is a super-2 number, since 2×21202310011312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2120231001181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39227081 + ... + 39281093.
It is an arithmetic number, because the mean of its divisors is an integer number (265120805208).
Almost surely, 22120231001131 is an apocalyptic number.
2120231001131 is a deficient number, since it is larger than the sum of its proper divisors (735440533).
2120231001131 is an equidigital number, since it uses as much as digits as its factorization.
2120231001131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66901.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 2120231001131 its reverse (1311001320212), we get a palindrome (3431232321343).
The spelling of 2120231001131 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, one thousand, one hundred thirty-one".
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