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7552748149 is a prime number
BaseRepresentation
bin1110000100010110…
…11100101001110101
3201111100211100200221
413002023130221311
5110432000420044
63245241334341
7355110204622
oct70213345165
921440740627
107552748149
113226369521
1215694973b1
1393499925b
14519123349
152e3101484
hex1c22dca75

7552748149 has 2 divisors, whose sum is σ = 7552748150. Its totient is φ = 7552748148.

The previous prime is 7552748069. The next prime is 7552748183. The reversal of 7552748149 is 9418472557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6085092049 + 1467656100 = 78007^2 + 38310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7552748149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7552748096 and 7552748105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7552718149) 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 as a sum of consecutive naturals, namely, 3776374074 + 3776374075.

It is an arithmetic number, because the mean of its divisors is an integer number (3776374075).

Almost surely, 27552748149 is an apocalyptic number.

It is an amenable number.

7552748149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7552748149 is an equidigital number, since it uses as much as digits as its factorization.

7552748149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 52.

The square root of 7552748149 is about 86906.5483666219. The cubic root of 7552748149 is about 1962.0120381149.

The spelling of 7552748149 in words is "seven billion, five hundred fifty-two million, seven hundred forty-eight thousand, one hundred forty-nine".