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1248288863 is a prime number
BaseRepresentation
bin100101001100111…
…0110000001011111
310012222212122101212
41022121312001133
510024030220423
6323511055035
742635165063
oct11231660137
93188778355
101248288863
11590698998
122aa07147b
1316b800a83
14bbaddaa3
15748c8578
hex4a67605f

1248288863 has 2 divisors, whose sum is σ = 1248288864. Its totient is φ = 1248288862.

The previous prime is 1248288841. The next prime is 1248288883. The reversal of 1248288863 is 3688828421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1248288863 - 26 = 1248288799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248288883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624144431 + 624144432.

It is an arithmetic number, because the mean of its divisors is an integer number (624144432).

Almost surely, 21248288863 is an apocalyptic number.

1248288863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248288863 is an equidigital number, since it uses as much as digits as its factorization.

1248288863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1179648, while the sum is 50.

The square root of 1248288863 is about 35331.1316405235. The cubic root of 1248288863 is about 1076.7255828334.

The spelling of 1248288863 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, eight hundred sixty-three".