Base | Representation |
---|---|
bin | 110111111110110101… |
… | …1110111110011011101 |
3 | 102111022100121122100222 |
4 | 1233331223313303131 |
5 | 3432202341102110 |
6 | 131121201131125 |
7 | 11454112202420 |
oct | 1577553676335 |
9 | 374270548328 |
10 | 120220253405 |
11 | 46a9222082a |
12 | 1b371629aa5 |
13 | b44ba13225 |
14 | 5b666bb9b7 |
15 | 31d94b0c55 |
hex | 1bfdaf7cdd |
120220253405 has 16 divisors (see below), whose sum is σ = 164967306240. Its totient is φ = 82389837312.
The previous prime is 120220253399. The next prime is 120220253429. The reversal of 120220253405 is 504352022021.
It is a cyclic number.
It is not a de Polignac number, because 120220253405 - 24 = 120220253389 is a prime.
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, 914804 + ... + 1037933.
It is an arithmetic number, because the mean of its divisors is an integer number (10310456640).
Almost surely, 2120220253405 is an apocalyptic number.
It is an amenable number.
120220253405 is a deficient number, since it is larger than the sum of its proper divisors (44747052835).
120220253405 is a wasteful number, since it uses less digits than its factorization.
120220253405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1954508.
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 120220253405 its reverse (504352022021), we get a palindrome (624572275426).
The spelling of 120220253405 in words is "one hundred twenty billion, two hundred twenty million, two hundred fifty-three thousand, four hundred five".
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