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7425250001 = 131137436803
BaseRepresentation
bin1101110101001010…
…00101001011010001
3201011110220210010022
412322211011023101
5110201331000001
63224444513225
7352001404121
oct67245051321
921143823108
107425250001
1131703a6254
12153284b815
13914448470
14506214c81
152d6d1911b
hex1ba9452d1

7425250001 has 16 divisors (see below), whose sum is σ = 8079232896. Its totient is φ = 6783280896.

The previous prime is 7425249977. The next prime is 7425250037. The reversal of 7425250001 is 1000525247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7425250001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7425250051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088066 + ... + 1094868.

It is an arithmetic number, because the mean of its divisors is an integer number (504952056).

Almost surely, 27425250001 is an apocalyptic number.

It is an amenable number.

7425250001 is a deficient number, since it is larger than the sum of its proper divisors (653982895).

7425250001 is a wasteful number, since it uses less digits than its factorization.

7425250001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 7425250001 is about 86169.8903387953. The cubic root of 7425250001 is about 1950.9090655978.

Adding to 7425250001 its reverse (1000525247), we get a palindrome (8425775248).

The spelling of 7425250001 in words is "seven billion, four hundred twenty-five million, two hundred fifty thousand, one".

Divisors: 1 13 113 743 1469 6803 9659 83959 88439 768739 1091467 5054629 9993607 65710177 571173077 7425250001