Base | Representation |
---|---|
bin | 111001000110111001… |
… | …1110010010110101101 |
3 | 102201112212111110110221 |
4 | 1302031303302112231 |
5 | 4002130342403331 |
6 | 132201135131341 |
7 | 11601042621421 |
oct | 1621563622655 |
9 | 381485443427 |
10 | 122638247341 |
11 | 48013103425 |
12 | 1b927373b51 |
13 | b74595c17c |
14 | 5d158a2b81 |
15 | 32cb8dd711 |
hex | 1c8dcf25ad |
122638247341 has 8 divisors (see below), whose sum is σ = 122778241560. Its totient is φ = 122498306112.
The previous prime is 122638247293. The next prime is 122638247351. The reversal of 122638247341 is 143742836221.
It can be written as a sum of positive squares in 4 ways, for example, as 29936266441 + 92701980900 = 173021^2 + 304470^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122638247341 - 213 = 122638239149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122638247351) 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, 6212595 + ... + 6232303.
It is an arithmetic number, because the mean of its divisors is an integer number (15347280195).
Almost surely, 2122638247341 is an apocalyptic number.
It is an amenable number.
122638247341 is a deficient number, since it is larger than the sum of its proper divisors (139994219).
122638247341 is a wasteful number, since it uses less digits than its factorization.
122638247341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26495.
The product of its digits is 387072, while the sum is 43.
The spelling of 122638247341 in words is "one hundred twenty-two billion, six hundred thirty-eight million, two hundred forty-seven thousand, three hundred forty-one".
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