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130628207 is a prime number
BaseRepresentation
bin1111100100100…
…11101001101111
3100002210121012202
413302103221233
5231420100312
620543452115
73144215153
oct762235157
9302717182
10130628207
11678109a6
12378b703b
13210a86c8
14134c5063
15b7049c2
hex7c93a6f

130628207 has 2 divisors, whose sum is σ = 130628208. Its totient is φ = 130628206.

The previous prime is 130628149. The next prime is 130628213. The reversal of 130628207 is 702826031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130628207 - 210 = 130627183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130628207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130628227) 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, 65314103 + 65314104.

It is an arithmetic number, because the mean of its divisors is an integer number (65314104).

Almost surely, 2130628207 is an apocalyptic number.

130628207 is a deficient number, since it is larger than the sum of its proper divisors (1).

130628207 is an equidigital number, since it uses as much as digits as its factorization.

130628207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 130628207 is about 11429.2697492010. The cubic root of 130628207 is about 507.3943831271.

The spelling of 130628207 in words is "one hundred thirty million, six hundred twenty-eight thousand, two hundred seven".