Base | Representation |
---|---|
bin | 111001000111111100… |
… | …0110010000101101001 |
3 | 102201122022002201222102 |
4 | 1302033320302011221 |
5 | 4002213304031101 |
6 | 132204422303145 |
7 | 11601645146051 |
oct | 1621770620551 |
9 | 381568081872 |
10 | 122673111401 |
11 | 480308562a5 |
12 | 1b936b87ab5 |
13 | b74cc480a9 |
14 | 5d1a37a561 |
15 | 32ce9c886b |
hex | 1c8fe32169 |
122673111401 has 4 divisors (see below), whose sum is σ = 123798552900. Its totient is φ = 121547669904.
The previous prime is 122673111349. The next prime is 122673111403. The reversal of 122673111401 is 104111376221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104111376221 = 31 ⋅3358431491.
It can be written as a sum of positive squares in 2 ways, for example, as 47349760000 + 75323351401 = 217600^2 + 274451^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122673111401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122673111403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562720586 + ... + 562720803.
It is an arithmetic number, because the mean of its divisors is an integer number (30949638225).
Almost surely, 2122673111401 is an apocalyptic number.
It is an amenable number.
122673111401 is a deficient number, since it is larger than the sum of its proper divisors (1125441499).
122673111401 is a wasteful number, since it uses less digits than its factorization.
122673111401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1125441498.
The product of its (nonzero) digits is 2016, while the sum is 29.
Adding to 122673111401 its reverse (104111376221), we get a palindrome (226784487622).
The spelling of 122673111401 in words is "one hundred twenty-two billion, six hundred seventy-three million, one hundred eleven thousand, four hundred one".
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