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2512510493 = 37102166509
BaseRepresentation
bin1001010111000001…
…1101111000011101
320111002201202110012
42111300131320131
520121200313433
61053151453005
7116155662323
oct22560357035
96432652405
102512510493
11107a279359
125a1527165
133106bc8cc
1419b989d13
15ea89c848
hex95c1de1d

2512510493 has 8 divisors (see below), whose sum is σ = 2582982360. Its totient is φ = 2442173760.

The previous prime is 2512510489. The next prime is 2512510499. The reversal of 2512510493 is 3940152152.

It can be written as a sum of positive squares in 4 ways, for example, as 1440733849 + 1071776644 = 37957^2 + 32738^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2512510493 - 22 = 2512510489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512510499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4523 + ... + 71031.

It is an arithmetic number, because the mean of its divisors is an integer number (322872795).

Almost surely, 22512510493 is an apocalyptic number.

It is an amenable number.

2512510493 is a deficient number, since it is larger than the sum of its proper divisors (70471867).

2512510493 is a wasteful number, since it uses less digits than its factorization.

2512510493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2512510493 is about 50124.9488079539. The cubic root of 2512510493 is about 1359.4689559108.

The spelling of 2512510493 in words is "two billion, five hundred twelve million, five hundred ten thousand, four hundred ninety-three".

Divisors: 1 37 1021 37777 66509 2460833 67905689 2512510493