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28407973459 is a prime number
BaseRepresentation
bin11010011101001111…
…110100011001010011
32201022210121120112011
4122131033310121103
5431134420122314
621014521243351
72023655535025
oct323517643123
981283546464
1028407973459
1111058618a18
125609933557
1328a95c1668
141536c2c015
15b13ea24c4
hex69d3f4653

28407973459 has 2 divisors, whose sum is σ = 28407973460. Its totient is φ = 28407973458.

The previous prime is 28407973421. The next prime is 28407973469. The reversal of 28407973459 is 95437970482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28407973459 - 221 = 28405876307 is a prime.

It is not a weakly prime, because it can be changed into another prime (28407973469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14203986729 + 14203986730.

It is an arithmetic number, because the mean of its divisors is an integer number (14203986730).

Almost surely, 228407973459 is an apocalyptic number.

28407973459 is a deficient number, since it is larger than the sum of its proper divisors (1).

28407973459 is an equidigital number, since it uses as much as digits as its factorization.

28407973459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 28407973459 in words is "twenty-eight billion, four hundred seven million, nine hundred seventy-three thousand, four hundred fifty-nine".