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2387006513 = 31745716477
BaseRepresentation
bin1000111001000110…
…1101010000110001
320011100120111100122
42032101231100301
514342033202023
61032505500025
7113103135443
oct21621552061
96140514318
102387006513
111015448361
125674a1615
132c06b96b8
1418903a493
15de85b2c8
hex8e46d431

2387006513 has 8 divisors (see below), whose sum is σ = 2399921832. Its totient is φ = 2374125696.

The previous prime is 2387006507. The next prime is 2387006549. The reversal of 2387006513 is 3156007832.

It can be written as a sum of positive squares in 4 ways, for example, as 133795489 + 2253211024 = 11567^2 + 47468^2 .

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 2387006513 - 222 = 2382812209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2387006113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136631 + ... + 153107.

It is an arithmetic number, because the mean of its divisors is an integer number (299990229).

Almost surely, 22387006513 is an apocalyptic number.

It is an amenable number.

2387006513 is a deficient number, since it is larger than the sum of its proper divisors (12915319).

2387006513 is a wasteful number, since it uses less digits than its factorization.

2387006513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17251.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2387006513 is about 48857.0006549727. Note that the first 3 decimals coincide. The cubic root of 2387006513 is about 1336.4453409817.

The spelling of 2387006513 in words is "two billion, three hundred eighty-seven million, six thousand, five hundred thirteen".

Divisors: 1 317 457 16477 144869 5223209 7529989 2387006513