Base | Representation |
---|---|
bin | 110010011111100110… |
… | …001101001001100111 |
3 | 12011221111020010210000 |
4 | 302133212031021213 |
5 | 1342014100401411 |
6 | 40523530432343 |
7 | 3626360412105 |
oct | 623746151147 |
9 | 164844203700 |
10 | 54217200231 |
11 | 20aa2217aa7 |
12 | a6112926b3 |
13 | 516068b68c |
14 | 28a4862c75 |
15 | 1624c20956 |
hex | c9f98d267 |
54217200231 has 10 divisors (see below), whose sum is σ = 80991126392. Its totient is φ = 36144800100.
The previous prime is 54217200211. The next prime is 54217200253. The reversal of 54217200231 is 13200271245.
54217200231 is a `hidden beast` number, since 5 + 421 + 7 + 2 + 0 + 0 + 231 = 666.
It is not a de Polignac number, because 54217200231 - 25 = 54217200199 is a prime.
It is a super-2 number, since 2×542172002312 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 54217200195 and 54217200204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54217200211) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 334673995 + ... + 334674156.
Almost surely, 254217200231 is an apocalyptic number.
54217200231 is a deficient number, since it is larger than the sum of its proper divisors (26773926161).
54217200231 is an equidigital number, since it uses as much as digits as its factorization.
54217200231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669348163 (or 669348154 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
Adding to 54217200231 its reverse (13200271245), we get a palindrome (67417471476).
The spelling of 54217200231 in words is "fifty-four billion, two hundred seventeen million, two hundred thousand, two hundred thirty-one".
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