Base | Representation |
---|---|
bin | 11110111111110101001… |
… | …011011010011000111000 |
3 | 21112122012212202120102202 |
4 | 132333311023122120320 |
5 | 234344442242033422 |
6 | 4310321543445332 |
7 | 306616262064134 |
oct | 36776513323070 |
9 | 7478185676382 |
10 | 2130122221112 |
11 | 75141a5094a6 |
12 | 2a49b9756848 |
13 | 125b3c85ca92 |
14 | 751542923c4 |
15 | 3a621934b92 |
hex | 1eff52da638 |
2130122221112 has 64 divisors (see below), whose sum is σ = 4297291315200. Its totient is φ = 986783091840.
The previous prime is 2130122221103. The next prime is 2130122221133. The reversal of 2130122221112 is 2111222210312.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080313 + ... + 2930519.
It is an arithmetic number, because the mean of its divisors is an integer number (67145176800).
Almost surely, 22130122221112 is an apocalyptic number.
It is an amenable number.
2130122221112 is an abundant number, since it is smaller than the sum of its proper divisors (2167169094088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130122221112 is a wasteful number, since it uses less digits than its factorization.
2130122221112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850596 (or 850592 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 2130122221112 its reverse (2111222210312), we get a palindrome (4241344431424).
The spelling of 2130122221112 in words is "two trillion, one hundred thirty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".
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