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28748267716541 is a prime number
BaseRepresentation
bin1101000100101011110100…
…10010001111111110111101
310202210022022012120100201012
412202111322102033332331
512232002423013412131
6141050434420125005
76024664605466262
oct642257222177675
9122708265510635
1028748267716541
11918408772979a
123283734836765
131306c47243b39
147155d0445269
1534cc1d61952b
hex1a257a48ffbd

28748267716541 has 2 divisors, whose sum is σ = 28748267716542. Its totient is φ = 28748267716540.

The previous prime is 28748267716513. The next prime is 28748267716601. The reversal of 28748267716541 is 14561776284782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17746243091641 + 11002024624900 = 4212629^2 + 3316930^2 .

It is a cyclic number.

It is not a de Polignac number, because 28748267716541 - 26 = 28748267716477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28748267776541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14374133858270 + 14374133858271.

It is an arithmetic number, because the mean of its divisors is an integer number (14374133858271).

Almost surely, 228748267716541 is an apocalyptic number.

It is an amenable number.

28748267716541 is a deficient number, since it is larger than the sum of its proper divisors (1).

28748267716541 is an equidigital number, since it uses as much as digits as its factorization.

28748267716541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252887040, while the sum is 68.

The spelling of 28748267716541 in words is "twenty-eight trillion, seven hundred forty-eight billion, two hundred sixty-seven million, seven hundred sixteen thousand, five hundred forty-one".