Base | Representation |
---|---|
bin | 100000011001000110101… |
… | …110101101001001010100 |
3 | 21212210122100112102222110 |
4 | 200121012232231021110 |
5 | 242432301301123423 |
6 | 4422333450231020 |
7 | 316551565220661 |
oct | 40310656551124 |
9 | 7783570472873 |
10 | 2225979707988 |
11 | 78903a572133 |
12 | 2bb4b0125470 |
13 | 131ba807090a |
14 | 79a490a2a68 |
15 | 3cd82148193 |
hex | 20646bad254 |
2225979707988 has 24 divisors (see below), whose sum is σ = 5198306375808. Its totient is φ = 741371275456.
The previous prime is 2225979707981. The next prime is 2225979708077. The reversal of 2225979707988 is 8897079795222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2225979707981) 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, 77730156 + ... + 77758787.
It is an arithmetic number, because the mean of its divisors is an integer number (216596098992).
Almost surely, 22225979707988 is an apocalyptic number.
It is an amenable number.
2225979707988 is an abundant number, since it is smaller than the sum of its proper divisors (2972326667820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2225979707988 is a wasteful number, since it uses less digits than its factorization.
2225979707988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155490143 (or 155490141 counting only the distinct ones).
The product of its (nonzero) digits is 640120320, while the sum is 75.
The spelling of 2225979707988 in words is "two trillion, two hundred twenty-five billion, nine hundred seventy-nine million, seven hundred seven thousand, nine hundred eighty-eight".
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