Base | Representation |
---|---|
bin | 1110111010100110110… |
… | …00111001101111110110 |
3 | 1210222212000102212202010 |
4 | 13131103120321233312 |
5 | 31344100014121032 |
6 | 1031234520425050 |
7 | 52012142233236 |
oct | 7352330715766 |
9 | 1728760385663 |
10 | 512500145142 |
11 | 188393a75567 |
12 | 833ab318186 |
13 | 39436ab876b |
14 | 1ab3b433cc6 |
15 | d4e8249ccc |
hex | 7753639bf6 |
512500145142 has 64 divisors (see below), whose sum is σ = 1080078105600. Its totient is φ = 161882138880.
The previous prime is 512500145141. The next prime is 512500145189. The reversal of 512500145142 is 241541005215.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512500145141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6293667 + ... + 6374577.
It is an arithmetic number, because the mean of its divisors is an integer number (16876220400).
Almost surely, 2512500145142 is an apocalyptic number.
512500145142 is an abundant number, since it is smaller than the sum of its proper divisors (567577960458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512500145142 is a wasteful number, since it uses less digits than its factorization.
512500145142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81621.
The product of its (nonzero) digits is 8000, while the sum is 30.
The spelling of 512500145142 in words is "five hundred twelve billion, five hundred million, one hundred forty-five thousand, one hundred forty-two".
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