Base | Representation |
---|---|
bin | 111001011000110… |
… | …1010000111110101 |
3 | 11222012101122100011 |
4 | 1302301222013311 |
5 | 12420424321323 |
6 | 515024420221 |
7 | 65501334046 |
oct | 16261520765 |
9 | 4865348304 |
10 | 1925620213 |
11 | 8a8a64a70 |
12 | 458a77671 |
13 | 248c3415a |
14 | 143a568cd |
15 | b40be20d |
hex | 72c6a1f5 |
1925620213 has 8 divisors (see below), whose sum is σ = 2173114080. Its totient is φ = 1690199280.
The previous prime is 1925620199. The next prime is 1925620253. The reversal of 1925620213 is 3120265291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1925620213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1925620253) 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, 3017895 + ... + 3018532.
It is an arithmetic number, because the mean of its divisors is an integer number (271639260).
Almost surely, 21925620213 is an apocalyptic number.
It is an amenable number.
1925620213 is a deficient number, since it is larger than the sum of its proper divisors (247493867).
1925620213 is a wasteful number, since it uses less digits than its factorization.
1925620213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6036467.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 1925620213 is about 43881.8893508472. The cubic root of 1925620213 is about 1244.1045507622.
The spelling of 1925620213 in words is "one billion, nine hundred twenty-five million, six hundred twenty thousand, two hundred thirteen".
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