Base | Representation |
---|---|
bin | 11111000000101010111… |
… | …000000100101110010101 |
3 | 21112201112122222001011102 |
4 | 133000222320010232111 |
5 | 234403313404340201 |
6 | 4310551205115445 |
7 | 306650511442244 |
oct | 37005270045625 |
9 | 7481478861142 |
10 | 2131023121301 |
11 | 751841aa6108 |
12 | 2a500b3b8b85 |
13 | 125c543b0109 |
14 | 751dbba495b |
15 | 3a675a8d26b |
hex | 1f02ae04b95 |
2131023121301 has 64 divisors (see below), whose sum is σ = 2426284523520. Its totient is φ = 1861108254720.
The previous prime is 2131023121273. The next prime is 2131023121327. The reversal of 2131023121301 is 1031213201312.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-2131023121301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131023121001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 416782721 + ... + 416787833.
It is an arithmetic number, because the mean of its divisors is an integer number (37910695680).
Almost surely, 22131023121301 is an apocalyptic number.
It is an amenable number.
2131023121301 is a deficient number, since it is larger than the sum of its proper divisors (295261402219).
2131023121301 is a wasteful number, since it uses less digits than its factorization.
2131023121301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5466.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 2131023121301 its reverse (1031213201312), we get a palindrome (3162236322613).
The spelling of 2131023121301 in words is "two trillion, one hundred thirty-one billion, twenty-three million, one hundred twenty-one thousand, three hundred one".
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