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2250725521 = 111721118891
BaseRepresentation
bin1000011000100111…
…0101100010010001
312210212010200222111
42012021311202101
514102141204041
61011200505321
7106526564662
oct20611654221
95725120874
102250725521
11a55526440
1252991b241
1329b3b2065
14174cc3369
15d28db981
hex86275891

2250725521 has 8 divisors (see below), whose sum is σ = 2456784288. Its totient is φ = 2044908000.

The previous prime is 2250725509. The next prime is 2250725567. The reversal of 2250725521 is 1255270522.

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-2250725521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2250225521) 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, 40515 + ... + 78376.

It is an arithmetic number, because the mean of its divisors is an integer number (307098036).

Almost surely, 22250725521 is an apocalyptic number.

It is an amenable number.

2250725521 is a deficient number, since it is larger than the sum of its proper divisors (206058767).

2250725521 is a wasteful number, since it uses less digits than its factorization.

2250725521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120623.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2250725521 is about 47441.8119489549. The cubic root of 2250725521 is about 1310.5115266291.

The spelling of 2250725521 in words is "two billion, two hundred fifty million, seven hundred twenty-five thousand, five hundred twenty-one".

Divisors: 1 11 1721 18931 118891 1307801 204611411 2250725521