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7428147719 is a prime number
BaseRepresentation
bin1101110101100000…
…01000101000000111
3201011200101000001012
412322300020220013
5110203101211334
63225030552435
7352035133226
oct67260105007
921150330035
107428147719
113171aa5363
12153380871b
13914c213a5
1450676acbd
152d71dc9ce
hex1bac08a07

7428147719 has 2 divisors, whose sum is σ = 7428147720. Its totient is φ = 7428147718.

The previous prime is 7428147691. The next prime is 7428147733. The reversal of 7428147719 is 9177418247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7428147719 - 224 = 7411370503 is a prime.

It is a super-2 number, since 2×74281477192 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7428147799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714073859 + 3714073860.

It is an arithmetic number, because the mean of its divisors is an integer number (3714073860).

Almost surely, 27428147719 is an apocalyptic number.

7428147719 is a deficient number, since it is larger than the sum of its proper divisors (1).

7428147719 is an equidigital number, since it uses as much as digits as its factorization.

7428147719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 50.

The square root of 7428147719 is about 86186.7026808660. The cubic root of 7428147719 is about 1951.1628145888.

The spelling of 7428147719 in words is "seven billion, four hundred twenty-eight million, one hundred forty-seven thousand, seven hundred nineteen".