Base | Representation |
---|---|
bin | 11111000000110000101… |
… | …110001110010001111101 |
3 | 21112201210111112002000001 |
4 | 133000300232032101331 |
5 | 234404014011433201 |
6 | 4311005031234301 |
7 | 306653112222550 |
oct | 37006056162175 |
9 | 7481714462001 |
10 | 2131121202301 |
11 | 7518923a6893 |
12 | 2a5038218991 |
13 | 125c6b801300 |
14 | 7520ac16697 |
15 | 3a67e4b4301 |
hex | 1f030b8e47d |
2131121202301 has 24 divisors (see below), whose sum is σ = 2640098836800. Its totient is φ = 1684391619456.
The previous prime is 2131121202277. The next prime is 2131121202323. The reversal of 2131121202301 is 1032021211312.
It is not a de Polignac number, because 2131121202301 - 221 = 2131119105149 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 (2131121202341) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182250 + ... + 2072548.
It is an arithmetic number, because the mean of its divisors is an integer number (110004118200).
Almost surely, 22131121202301 is an apocalyptic number.
It is an amenable number.
2131121202301 is a deficient number, since it is larger than the sum of its proper divisors (508977634499).
2131121202301 is a wasteful number, since it uses less digits than its factorization.
2131121202301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1891285 (or 1891272 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 2131121202301 its reverse (1032021211312), we get a palindrome (3163142413613).
The spelling of 2131121202301 in words is "two trillion, one hundred thirty-one billion, one hundred twenty-one million, two hundred two thousand, three hundred one".
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