Base | Representation |
---|---|
bin | 1011101000110011000… |
… | …0100010110010011100 |
3 | 201010001110121220102121 |
4 | 2322030300202302130 |
5 | 11233424042000020 |
6 | 231502510232324 |
7 | 20305311140341 |
oct | 2721460426234 |
9 | 633043556377 |
10 | 199930031260 |
11 | 778763216a3 |
12 | 328b81b56a4 |
13 | 15b1299195b |
14 | 9968aaa7c8 |
15 | 5302252baa |
hex | 2e8cc22c9c |
199930031260 has 24 divisors (see below), whose sum is σ = 424010030976. Its totient is φ = 79180209600.
The previous prime is 199930031251. The next prime is 199930031263. The reversal of 199930031260 is 62130039991.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199930031263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49485612 + ... + 49489651.
It is an arithmetic number, because the mean of its divisors is an integer number (17667084624).
Almost surely, 2199930031260 is an apocalyptic number.
199930031260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
199930031260 is an abundant number, since it is smaller than the sum of its proper divisors (224079999716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199930031260 is a wasteful number, since it uses less digits than its factorization.
199930031260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98975373 (or 98975371 counting only the distinct ones).
The product of its (nonzero) digits is 78732, while the sum is 43.
The spelling of 199930031260 in words is "one hundred ninety-nine billion, nine hundred thirty million, thirty-one thousand, two hundred sixty".
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