Base | Representation |
---|---|
bin | 10111010010110101… |
… | …001101011001011001 |
3 | 2101120010111021012011 |
4 | 113102311031121121 |
5 | 402211033002340 |
6 | 15253525545521 |
7 | 1543551331543 |
oct | 272265153131 |
9 | 71503437164 |
10 | 25012000345 |
11 | a675693072 |
12 | 4a205752a1 |
13 | 2487b78707 |
14 | 12d3bcc693 |
15 | 9b5c930ea |
hex | 5d2d4d659 |
25012000345 has 16 divisors (see below), whose sum is σ = 30445217280. Its totient is φ = 19722539200.
The previous prime is 25012000313. The next prime is 25012000379. The reversal of 25012000345 is 54300021052.
It is not a de Polignac number, because 25012000345 - 25 = 25012000313 is a prime.
It is a super-2 number, since 2×250120003452 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850271 + ... + 1863739.
It is an arithmetic number, because the mean of its divisors is an integer number (1902826080).
Almost surely, 225012000345 is an apocalyptic number.
It is an amenable number.
25012000345 is a deficient number, since it is larger than the sum of its proper divisors (5433216935).
25012000345 is a wasteful number, since it uses less digits than its factorization.
25012000345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18776.
The product of its (nonzero) digits is 1200, while the sum is 22.
Adding to 25012000345 its reverse (54300021052), we get a palindrome (79312021397).
The spelling of 25012000345 in words is "twenty-five billion, twelve million, three hundred forty-five", and thus it is an aban number.
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