Base | Representation |
---|---|
bin | 10001100111010001100… |
… | …001100000011111000011 |
3 | 11021201020221002021202201 |
4 | 101213101201200133003 |
5 | 124312400131012011 |
6 | 2324014530454031 |
7 | 153306603005614 |
oct | 21472141403703 |
9 | 4251227067681 |
10 | 1210401032131 |
11 | 427367911515 |
12 | 176700a34317 |
13 | 8a1a93b84a5 |
14 | 42825a3dc0b |
15 | 21742db2cc1 |
hex | 119d18607c3 |
1210401032131 has 8 divisors (see below), whose sum is σ = 1247571052128. Its totient is φ = 1173789960000.
The previous prime is 1210401032083. The next prime is 1210401032173. The reversal of 1210401032131 is 1312301040121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1210401032131 is a prime.
It is a super-2 number, since 2×12104010321312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1210401032099 and 1210401032108.
It is not an unprimeable number, because it can be changed into a prime (1210401032431) 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, 139732570 + ... + 139741231.
It is an arithmetic number, because the mean of its divisors is an integer number (155946381516).
Almost surely, 21210401032131 is an apocalyptic number.
1210401032131 is a deficient number, since it is larger than the sum of its proper divisors (37170019997).
1210401032131 is an equidigital number, since it uses as much as digits as its factorization.
1210401032131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279473933.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 1210401032131 its reverse (1312301040121), we get a palindrome (2522702072252).
The spelling of 1210401032131 in words is "one trillion, two hundred ten billion, four hundred one million, thirty-two thousand, one hundred thirty-one".
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