Base | Representation |
---|---|
bin | 111011101001001… |
… | …0100011010101101 |
3 | 12011110210010001010 |
4 | 1313102110122231 |
5 | 13044312302200 |
6 | 530330335433 |
7 | 100410456264 |
oct | 16722243255 |
9 | 5143703033 |
10 | 2001290925 |
11 | 937749547 |
12 | 47a28a579 |
13 | 25b809b1a |
14 | 14db135db |
15 | baa6a150 |
hex | 774946ad |
2001290925 has 24 divisors (see below), whose sum is σ = 3311813824. Its totient is φ = 1066383360.
The previous prime is 2001290911. The next prime is 2001290953. The reversal of 2001290925 is 5290921002.
It is not a de Polignac number, because 2001290925 - 213 = 2001282733 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2001290892 and 2001290901.
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 23 ways as a sum of consecutive naturals, for example, 74904 + ... + 98046.
Almost surely, 22001290925 is an apocalyptic number.
2001290925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2001290925 is a deficient number, since it is larger than the sum of its proper divisors (1310522899).
2001290925 is a wasteful number, since it uses less digits than its factorization.
2001290925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24309 (or 24304 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 2001290925 is about 44735.7902020295. The cubic root of 2001290925 is about 1260.1920688559.
The spelling of 2001290925 in words is "two billion, one million, two hundred ninety thousand, nine hundred twenty-five".
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