Base | Representation |
---|---|
bin | 110011001101010000… |
… | …010100100001111001 |
3 | 12020220212121201210201 |
4 | 303031100110201321 |
5 | 1400101200341400 |
6 | 41131533042201 |
7 | 3654351422011 |
oct | 631520244171 |
9 | 166825551721 |
10 | 54983215225 |
11 | 21355656444 |
12 | a7a5926361 |
13 | 52532a27a3 |
14 | 29384a2c41 |
15 | 166c0d306a |
hex | ccd414879 |
54983215225 has 27 divisors (see below), whose sum is σ = 71307354223. Its totient is φ = 42053477840.
The previous prime is 54983215211. The next prime is 54983215229. The reversal of 54983215225 is 52251238945.
The square root of 54983215225 is 234485.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 19793957481 + 35189257744 = 140691^2 + 187588^2 .
It is not a de Polignac number, because 54983215225 - 27 = 54983215097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54983215229) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26964756 + ... + 26966794.
Almost surely, 254983215225 is an apocalyptic number.
54983215225 is the 234485-th square number.
54983215225 is the 117243-rd centered octagonal number.
It is an amenable number.
54983215225 is a deficient number, since it is larger than the sum of its proper divisors (16324138998).
54983215225 is an frugal number, since it uses more digits than its factorization.
54983215225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4134 (or 2067 counting only the distinct ones).
The product of its digits is 864000, while the sum is 46.
The spelling of 54983215225 in words is "fifty-four billion, nine hundred eighty-three million, two hundred fifteen thousand, two hundred twenty-five".
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