Base | Representation |
---|---|
bin | 110010111000110011… |
… | …100111010001101010 |
3 | 12020000222001222122010 |
4 | 302320303213101222 |
5 | 1343400334124024 |
6 | 41033515540350 |
7 | 3643014400533 |
oct | 627063472152 |
9 | 166028058563 |
10 | 54640145514 |
11 | 21199a35059 |
12 | a70aa5a6b6 |
13 | 51ca1a4b66 |
14 | 2904abb68a |
15 | 164be17b29 |
hex | cb8ce746a |
54640145514 has 32 divisors (see below), whose sum is σ = 110200305600. Its totient is φ = 18060461312.
The previous prime is 54640145507. The next prime is 54640145563. The reversal of 54640145514 is 41554104645.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 478609 + ... + 581675.
It is an arithmetic number, because the mean of its divisors is an integer number (3443759550).
Almost surely, 254640145514 is an apocalyptic number.
54640145514 is an abundant number, since it is smaller than the sum of its proper divisors (55560160086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54640145514 is a wasteful number, since it uses less digits than its factorization.
54640145514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103814.
The product of its (nonzero) digits is 192000, while the sum is 39.
The spelling of 54640145514 in words is "fifty-four billion, six hundred forty million, one hundred forty-five thousand, five hundred fourteen".
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