Base | Representation |
---|---|
bin | 11000100111001100011000… |
… | …00101110100010100010001 |
3 | 21002122010112011220210021011 |
4 | 30103212030011310110101 |
5 | 24043223340201412040 |
6 | 311035511535130521 |
7 | 14254163113546360 |
oct | 1423461405642421 |
9 | 232563464823234 |
10 | 54123233232145 |
11 | 16277597195a60 |
12 | 60a1541373a41 |
13 | 2427a5050b78c |
14 | d518154497d7 |
15 | 63cd098853ea |
hex | 31398c174511 |
54123233232145 has 128 divisors (see below), whose sum is σ = 82934108762112. Its totient is φ = 32933504102400.
The previous prime is 54123233232143. The next prime is 54123233232197.
54123233232145 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54123233232145 - 21 = 54123233232143 is a prime.
It is a super-2 number, since 2×541232332321452 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 54123233232098 and 54123233232107.
It is not an unprimeable number, because it can be changed into a prime (54123233232143) 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 127 ways as a sum of consecutive naturals, for example, 1274456202 + ... + 1274498668.
It is an arithmetic number, because the mean of its divisors is an integer number (647922724704).
Almost surely, 254123233232145 is an apocalyptic number.
54123233232145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54123233232145 is a deficient number, since it is larger than the sum of its proper divisors (28810875529967).
54123233232145 is a wasteful number, since it uses less digits than its factorization.
54123233232145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43031.
The product of its digits is 518400, while the sum is 40.
It can be divided in two parts, 5412323 and 3232145, that added together give a palindrome (8644468).
The spelling of 54123233232145 in words is "fifty-four trillion, one hundred twenty-three billion, two hundred thirty-three million, two hundred thirty-two thousand, one hundred forty-five".
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