Base | Representation |
---|---|
bin | 111001100001001… |
… | …0111110111011000 |
3 | 11222111122020212010 |
4 | 1303002113313120 |
5 | 12423040030010 |
6 | 515302345520 |
7 | 65553513432 |
oct | 16302276730 |
9 | 4874566763 |
10 | 1930001880 |
11 | 900487a84 |
12 | 45a42b2a0 |
13 | 249b09661 |
14 | 144477652 |
15 | b4687620 |
hex | 73097dd8 |
1930001880 has 32 divisors (see below), whose sum is σ = 5790006000. Its totient is φ = 514667136.
The previous prime is 1930001873. The next prime is 1930001929. The reversal of 1930001880 is 881000391.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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, 8041555 + ... + 8041794.
Almost surely, 21930001880 is an apocalyptic number.
1930001880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1930001880 is an abundant number, since it is smaller than the sum of its proper divisors (3860004120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1930001880 is a wasteful number, since it uses less digits than its factorization.
1930001880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16083363 (or 16083359 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 30.
The square root of 1930001880 is about 43931.7866697907. The cubic root of 1930001880 is about 1245.0474716177.
The spelling of 1930001880 in words is "one billion, nine hundred thirty million, one thousand, eight hundred eighty".
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