Base | Representation |
---|---|
bin | 111001000000011010… |
… | …1101110101111110111 |
3 | 102200222201001112020000 |
4 | 1302000311232233313 |
5 | 4001204141344142 |
6 | 132123403242343 |
7 | 11562461244630 |
oct | 1620065565767 |
9 | 380881045200 |
10 | 122420653047 |
11 | 47a112a3630 |
12 | 1b8865193b3 |
13 | b70c854754 |
14 | 5cd4a20887 |
15 | 32b775b14c |
hex | 1c80d6ebf7 |
122420653047 has 160 divisors (see below), whose sum is σ = 238838713344. Its totient is φ = 60593702400.
The previous prime is 122420653021. The next prime is 122420653051. The reversal of 122420653047 is 740356024221.
It is not a de Polignac number, because 122420653047 - 27 = 122420652919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122420653007) by changing a digit.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 40308213 + ... + 40311249.
Almost surely, 2122420653047 is an apocalyptic number.
122420653047 is a deficient number, since it is larger than the sum of its proper divisors (116418060297).
122420653047 is a wasteful number, since it uses less digits than its factorization.
122420653047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3371 (or 3362 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
Adding to 122420653047 its reverse (740356024221), we get a palindrome (862776677268).
The spelling of 122420653047 in words is "one hundred twenty-two billion, four hundred twenty million, six hundred fifty-three thousand, forty-seven".
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