Base | Representation |
---|---|
bin | 111000110100011110… |
… | …1111011000011011111 |
3 | 102122221210102201210101 |
4 | 1301220331323003133 |
5 | 3444344124204143 |
6 | 132015535121531 |
7 | 11546526066016 |
oct | 1615075730337 |
9 | 378853381711 |
10 | 122020147423 |
11 | 47826212849 |
12 | 1b7943732a7 |
13 | b677896c85 |
14 | 5c97767a7d |
15 | 32924e7b4d |
hex | 1c68f7b0df |
122020147423 has 8 divisors (see below), whose sum is σ = 127373791968. Its totient is φ = 116670537984.
The previous prime is 122020147411. The next prime is 122020147429. The reversal of 122020147423 is 324741020221.
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 122020147423 - 225 = 121986592991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122020147391 and 122020147400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122020147429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946890 + ... + 1068007.
It is an arithmetic number, because the mean of its divisors is an integer number (15921723996).
Almost surely, 2122020147423 is an apocalyptic number.
122020147423 is a deficient number, since it is larger than the sum of its proper divisors (5353644545).
122020147423 is a wasteful number, since it uses less digits than its factorization.
122020147423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2017553.
The product of its (nonzero) digits is 5376, while the sum is 28.
Adding to 122020147423 its reverse (324741020221), we get a palindrome (446761167644).
The spelling of 122020147423 in words is "one hundred twenty-two billion, twenty million, one hundred forty-seven thousand, four hundred twenty-three".
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