Base | Representation |
---|---|
bin | 100101010000001… |
… | …1001101111000001 |
3 | 10020010002222121122 |
4 | 1022200121233001 |
5 | 10030000224001 |
6 | 324012002025 |
7 | 42655615124 |
oct | 11240315701 |
9 | 3203088548 |
10 | 1250008001 |
11 | 591662570 |
12 | 2aa760315 |
13 | 16bc83408 |
14 | bc02a3bb |
15 | 74b17b1b |
hex | 4a819bc1 |
1250008001 has 8 divisors (see below), whose sum is σ = 1369353600. Its totient is φ = 1131613840.
The previous prime is 1250007949. The next prime is 1250008003. The reversal of 1250008001 is 1008000521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1250008001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1250008003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235106 + ... + 240363.
It is an arithmetic number, because the mean of its divisors is an integer number (171169200).
Almost surely, 21250008001 is an apocalyptic number.
1250008001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1250008001 is a deficient number, since it is larger than the sum of its proper divisors (119345599).
1250008001 is a wasteful number, since it uses less digits than its factorization.
1250008001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475719.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1250008001 is about 35355.4522103734. The cubic root of 1250008001 is about 1077.2196433620.
Adding to 1250008001 its reverse (1008000521), we get a palindrome (2258008522).
The spelling of 1250008001 in words is "one billion, two hundred fifty million, eight thousand, one".
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