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2664703025 = 52106588121
BaseRepresentation
bin1001111011010100…
…0010010000110001
320212201002221100122
42132311002100301
520424130444100
61120225500025
7123014413325
oct23665022061
96781087318
102664703025
111148178906
126244a1615
133360a876a
141b3c85985
15108e11985
hex9ed42431

2664703025 has 6 divisors (see below), whose sum is σ = 3304231782. Its totient is φ = 2131762400.

The previous prime is 2664703003. The next prime is 2664703073. The reversal of 2664703025 is 5203074662.

It can be written as a sum of positive squares in 3 ways, for example, as 593360881 + 2071342144 = 24359^2 + 45512^2 .

It is not a de Polignac number, because 2664703025 - 216 = 2664637489 is a prime.

It is a super-2 number, since 2×26647030252 = 14201284422888301250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53294036 + ... + 53294085.

It is an arithmetic number, because the mean of its divisors is an integer number (550705297).

Almost surely, 22664703025 is an apocalyptic number.

2664703025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2664703025 is a deficient number, since it is larger than the sum of its proper divisors (639528757).

2664703025 is a wasteful number, since it uses less digits than its factorization.

2664703025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106588131 (or 106588126 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 2664703025 is about 51620.7615693531. The cubic root of 2664703025 is about 1386.3820868474.

Adding to 2664703025 its reverse (5203074662), we get a palindrome (7867777687).

The spelling of 2664703025 in words is "two billion, six hundred sixty-four million, seven hundred three thousand, twenty-five".

Divisors: 1 5 25 106588121 532940605 2664703025