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2500560001 = 9221271181
BaseRepresentation
bin1001010100001011…
…1000010010000001
320110021020121110101
42111002320102001
520110120410001
61052043402401
7115652260252
oct22502702201
96407217411
102500560001
111073556815
12599523401
1330b097304
1419a158b29
15e97dba01
hex950b8481

2500560001 has 4 divisors (see below), whose sum is σ = 2500840404. Its totient is φ = 2500279600.

The previous prime is 2500559989. The next prime is 2500560043. The reversal of 2500560001 is 1000650052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2191644225 + 308915776 = 46815^2 + 17576^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500560001 - 217 = 2500428929 is a prime.

It is a super-2 number, since 2×25005600012 = 12505600637202240002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500560301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126370 + ... + 144811.

It is an arithmetic number, because the mean of its divisors is an integer number (625210101).

Almost surely, 22500560001 is an apocalyptic number.

It is an amenable number.

2500560001 is a deficient number, since it is larger than the sum of its proper divisors (280403).

2500560001 is an equidigital number, since it uses as much as digits as its factorization.

2500560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280402.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2500560001 is about 50005.5996964340. The cubic root of 2500560001 is about 1357.3101391704.

The spelling of 2500560001 in words is "two billion, five hundred million, five hundred sixty thousand, one".

Divisors: 1 9221 271181 2500560001