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8124145829 is a prime number
BaseRepresentation
bin1111001000011110…
…01010000010100101
3202222012000100221222
413210033022002211
5113114240131304
63422052350125
7405216046232
oct74417120245
922865010858
108124145829
113499961008
1216a8915345
139c618c0a7
14570d82789
1532836e4be
hex1e43ca0a5

8124145829 has 2 divisors, whose sum is σ = 8124145830. Its totient is φ = 8124145828.

The previous prime is 8124145739. The next prime is 8124145873. The reversal of 8124145829 is 9285414218.

It is an a-pointer prime, because the next prime (8124145873) can be obtained adding 8124145829 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7814913604 + 309232225 = 88402^2 + 17585^2 .

It is a cyclic number.

It is not a de Polignac number, because 8124145829 - 224 = 8107368613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8124145829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8124145889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062072914 + 4062072915.

It is an arithmetic number, because the mean of its divisors is an integer number (4062072915).

Almost surely, 28124145829 is an apocalyptic number.

It is an amenable number.

8124145829 is a deficient number, since it is larger than the sum of its proper divisors (1).

8124145829 is an equidigital number, since it uses as much as digits as its factorization.

8124145829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The square root of 8124145829 is about 90134.0436738528. The cubic root of 8124145829 is about 2010.2924278545.

The spelling of 8124145829 in words is "eight billion, one hundred twenty-four million, one hundred forty-five thousand, eight hundred twenty-nine".