Base | Representation |
---|---|
bin | 111101011010110101… |
… | …100000010101011101 |
3 | 20022020001201011001220 |
4 | 331122311200111131 |
5 | 2040030303004312 |
6 | 50144000523553 |
7 | 4523156605305 |
oct | 753265402535 |
9 | 208201634056 |
10 | 65948484957 |
11 | 25a72222933 |
12 | 109460205b9 |
13 | 62acc5a084 |
14 | 32988d2605 |
15 | 1aaeab1c8c |
hex | f5ad6055d |
65948484957 has 16 divisors (see below), whose sum is σ = 89049741120. Its totient is φ = 43407892352.
The previous prime is 65948484949. The next prime is 65948484983. The reversal of 65948484957 is 75948484956.
It is a cyclic number.
It is not a de Polignac number, because 65948484957 - 23 = 65948484949 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 65948484891 and 65948484900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65948484947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543 + ... + 363179.
It is an arithmetic number, because the mean of its divisors is an integer number (5565608820).
Almost surely, 265948484957 is an apocalyptic number.
It is an amenable number.
65948484957 is a deficient number, since it is larger than the sum of its proper divisors (23101256163).
65948484957 is a wasteful number, since it uses less digits than its factorization.
65948484957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362412.
The product of its digits is 348364800, while the sum is 69.
Subtracting 65948484957 from its reverse (75948484956), we obtain a palindrome (9999999999).
The spelling of 65948484957 in words is "sixty-five billion, nine hundred forty-eight million, four hundred eighty-four thousand, nine hundred fifty-seven".
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