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4015245287 is a prime number
BaseRepresentation
bin1110111101010011…
…1100011111100111
3101100211101121001102
43233110330133213
531210400322122
61502232350315
7201334010324
oct35724743747
911324347042
104015245287
111780557239
1294084539b
134bcb2b8b1
142a13a1b4b
15187787492
hexef53c7e7

4015245287 has 2 divisors, whose sum is σ = 4015245288. Its totient is φ = 4015245286.

The previous prime is 4015245259. The next prime is 4015245293. The reversal of 4015245287 is 7825425104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4015245287 is a prime.

It is a super-2 number, since 2×40152452872 = 32244389429551424738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4015245287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4015205287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007622643 + 2007622644.

It is an arithmetic number, because the mean of its divisors is an integer number (2007622644).

Almost surely, 24015245287 is an apocalyptic number.

4015245287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4015245287 is an equidigital number, since it uses as much as digits as its factorization.

4015245287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 4015245287 is about 63365.9631584654. The cubic root of 4015245287 is about 1589.4151940020.

The spelling of 4015245287 in words is "four billion, fifteen million, two hundred forty-five thousand, two hundred eighty-seven".