Base | Representation |
---|---|
bin | 11011111000100000110000… |
… | …000010000011101101110111 |
3 | 121002012101022011200022122021 |
4 | 123320200300002003231313 |
5 | 112033140144243100041 |
6 | 1112451434342414011 |
7 | 34554530236005622 |
oct | 3370406002035567 |
9 | 532171264608567 |
10 | 122630712081271 |
11 | 3608a435aa2839 |
12 | 119067a1431307 |
13 | 53570463929a4 |
14 | 223d502a0cdb9 |
15 | e29d8d886cd1 |
hex | 6f8830083b77 |
122630712081271 has 4 divisors (see below), whose sum is σ = 122770541856472. Its totient is φ = 122490882306072.
The previous prime is 122630712081259. The next prime is 122630712081331. The reversal of 122630712081271 is 172180217036221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122630712081271 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 (122630712081211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69914886285 + ... + 69914888038.
It is an arithmetic number, because the mean of its divisors is an integer number (30692635464118).
Almost surely, 2122630712081271 is an apocalyptic number.
122630712081271 is a deficient number, since it is larger than the sum of its proper divisors (139829775201).
122630712081271 is an equidigital number, since it uses as much as digits as its factorization.
122630712081271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139829775200.
The product of its (nonzero) digits is 112896, while the sum is 43.
The spelling of 122630712081271 in words is "one hundred twenty-two trillion, six hundred thirty billion, seven hundred twelve million, eighty-one thousand, two hundred seventy-one".
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