Base | Representation |
---|---|
bin | 11110111111110101110… |
… | …101010111101100011001 |
3 | 21112122020122110101020110 |
4 | 132333311311113230121 |
5 | 234400003101020441 |
6 | 4310323015314533 |
7 | 306616454424204 |
oct | 36776565275431 |
9 | 7478218411213 |
10 | 2130133220121 |
11 | 751425741195 |
12 | 2a4a0137ba49 |
13 | 125b41c1127a |
14 | 7515591693b |
15 | 3a6228a8b16 |
hex | 1eff5d57b19 |
2130133220121 has 32 divisors (see below), whose sum is σ = 2856408192000. Its totient is φ = 1412003609280.
The previous prime is 2130133220119. The next prime is 2130133220141. The reversal of 2130133220121 is 1210223310312.
It is not a de Polignac number, because 2130133220121 - 21 = 2130133220119 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2130133220101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645688930 + ... + 645692228.
It is an arithmetic number, because the mean of its divisors is an integer number (89262756000).
Almost surely, 22130133220121 is an apocalyptic number.
It is an amenable number.
2130133220121 is a deficient number, since it is larger than the sum of its proper divisors (726274971879).
2130133220121 is a wasteful number, since it uses less digits than its factorization.
2130133220121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5229.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2130133220121 its reverse (1210223310312), we get a palindrome (3340356530433).
The spelling of 2130133220121 in words is "two trillion, one hundred thirty billion, one hundred thirty-three million, two hundred twenty thousand, one hundred twenty-one".
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