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8431472953 is a prime number
BaseRepresentation
bin1111101101000111…
…00001000100111001
3210202121022012112001
413312203201010321
5114231424113303
63512351421001
7415640223541
oct76643410471
923677265461
108431472953
11363738a472
121773824761
13a44a53c67
1459db02321
1534532931d
hex1f68e1139

8431472953 has 2 divisors, whose sum is σ = 8431472954. Its totient is φ = 8431472952.

The previous prime is 8431472879. The next prime is 8431472999. The reversal of 8431472953 is 3592741348.

It is an a-pointer prime, because the next prime (8431472999) can be obtained adding 8431472953 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6761279529 + 1670193424 = 82227^2 + 40868^2 .

It is a cyclic number.

It is not a de Polignac number, because 8431472953 - 213 = 8431464761 is a prime.

It is not a weakly prime, because it can be changed into another prime (8431482953) 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, 4215736476 + 4215736477.

It is an arithmetic number, because the mean of its divisors is an integer number (4215736477).

Almost surely, 28431472953 is an apocalyptic number.

It is an amenable number.

8431472953 is a deficient number, since it is larger than the sum of its proper divisors (1).

8431472953 is an equidigital number, since it uses as much as digits as its factorization.

8431472953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 8431472953 is about 91823.0524051559. The cubic root of 8431472953 is about 2035.3283585354.

It can be divided in two parts, 843 and 1472953, that added together give a square (1473796 = 12142).

The spelling of 8431472953 in words is "eight billion, four hundred thirty-one million, four hundred seventy-two thousand, nine hundred fifty-three".