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130002823 is a prime number
BaseRepresentation
bin1111011111110…
…10111110000111
3100001121211100101
413233322332013
5231240042243
620522224531
73136001656
oct757727607
9301554311
10130002823
1167424055
1237655147
1320c19b62
14133a119d
15b62e54d
hex7bfaf87

130002823 has 2 divisors, whose sum is σ = 130002824. Its totient is φ = 130002822.

The previous prime is 130002787. The next prime is 130002833. The reversal of 130002823 is 328200031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (328200031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130002823 - 217 = 129871751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130002823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130002833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65001411 + 65001412.

It is an arithmetic number, because the mean of its divisors is an integer number (65001412).

Almost surely, 2130002823 is an apocalyptic number.

130002823 is a deficient number, since it is larger than the sum of its proper divisors (1).

130002823 is an equidigital number, since it uses as much as digits as its factorization.

130002823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 130002823 is about 11401.8780470587. The cubic root of 130002823 is about 506.5833687412.

Adding to 130002823 its reverse (328200031), we get a palindrome (458202854).

The spelling of 130002823 in words is "one hundred thirty million, two thousand, eight hundred twenty-three".