Base | Representation |
---|---|
bin | 110010110011001100… |
… | …001000011011111110 |
3 | 12012210101202022010110 |
4 | 302303030020123332 |
5 | 1343202223101002 |
6 | 41020312050450 |
7 | 3640461403140 |
oct | 626314103376 |
9 | 165711668113 |
10 | 54545909502 |
11 | 21150820157 |
12 | a6a3393a26 |
13 | 51b37cbac6 |
14 | 28d638ac90 |
15 | 1643a00e6c |
hex | cb33086fe |
54545909502 has 64 divisors (see below), whose sum is σ = 127441797120. Its totient is φ = 15239454816.
The previous prime is 54545909497. The next prime is 54545909507. The reversal of 54545909502 is 20590954545.
It is an interprime number because it is at equal distance from previous prime (54545909497) and next prime (54545909507).
It is a super-3 number, since 3×545459095023 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54545909507) 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 31 ways as a sum of consecutive naturals, for example, 2331499 + ... + 2354777.
It is an arithmetic number, because the mean of its divisors is an integer number (1991278080).
Almost surely, 254545909502 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54545909502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63720898560).
54545909502 is an abundant number, since it is smaller than the sum of its proper divisors (72895887618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54545909502 is a wasteful number, since it uses less digits than its factorization.
54545909502 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24525.
The product of its (nonzero) digits is 1620000, while the sum is 48.
The spelling of 54545909502 in words is "fifty-four billion, five hundred forty-five million, nine hundred nine thousand, five hundred two".
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