Base | Representation |
---|---|
bin | 110010101100011011… |
… | …010101101101101011 |
3 | 12012111111021020112112 |
4 | 302230123111231223 |
5 | 1342434202034111 |
6 | 41001140232535 |
7 | 3634613144426 |
oct | 625433255553 |
9 | 165444236475 |
10 | 54432455531 |
11 | 210a277a543 |
12 | a67139b74b |
13 | 519615758c |
14 | 28c52969bd |
15 | 1638a8ee8b |
hex | cac6d5b6b |
54432455531 has 4 divisors (see below), whose sum is σ = 54672246312. Its totient is φ = 54192664752.
The previous prime is 54432455509. The next prime is 54432455543. The reversal of 54432455531 is 13555423445.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 54432455531 - 210 = 54432454507 is a prime.
It is a super-2 number, since 2×544324555312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54432455551) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119895050 + ... + 119895503.
It is an arithmetic number, because the mean of its divisors is an integer number (13668061578).
Almost surely, 254432455531 is an apocalyptic number.
54432455531 is a deficient number, since it is larger than the sum of its proper divisors (239790781).
54432455531 is a wasteful number, since it uses less digits than its factorization.
54432455531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239790780.
The product of its digits is 720000, while the sum is 41.
Adding to 54432455531 its reverse (13555423445), we get a palindrome (67987878976).
The spelling of 54432455531 in words is "fifty-four billion, four hundred thirty-two million, four hundred fifty-five thousand, five hundred thirty-one".
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