Base | Representation |
---|---|
bin | 11110110111101000000… |
… | …111101111110110010000 |
3 | 21111210110222002001102120 |
4 | 132313220013233312100 |
5 | 234223422141101112 |
6 | 4302303504214240 |
7 | 306155055610104 |
oct | 36675007576620 |
9 | 7453428061376 |
10 | 2121313222032 |
11 | 74870a014074 |
12 | 2a315b60a380 |
13 | 1250678359a4 |
14 | 7495a399904 |
15 | 3a2a83d5e8c |
hex | 1ede81efd90 |
2121313222032 has 40 divisors (see below), whose sum is σ = 5502798021600. Its totient is φ = 704170360320.
The previous prime is 2121313222001. The next prime is 2121313222163. The reversal of 2121313222032 is 2302223131212.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 2121313221993 and 2121313222011.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91677282 + ... + 91700417.
It is an arithmetic number, because the mean of its divisors is an integer number (137569950540).
Almost surely, 22121313222032 is an apocalyptic number.
It is an amenable number.
2121313222032 is an abundant number, since it is smaller than the sum of its proper divisors (3381484799568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121313222032 is a wasteful number, since it uses less digits than its factorization.
2121313222032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183377951 (or 183377945 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 2121313222032 its reverse (2302223131212), we get a palindrome (4423536353244).
The spelling of 2121313222032 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred twenty-two thousand, thirty-two".
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