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128282828301 = 341583738621
BaseRepresentation
bin111011101111001000…
…0001001111000001101
3110021010020202212220000
41313132100021320031
54100210401001201
6134533214114513
712160653022605
oct1673620117015
9407106685800
10128282828301
114a44a348671
1220a417aba39
13c1351c52c4
1462cd3d3c05
15350c21bd86
hex1dde409e0d

128282828301 has 10 divisors (see below), whose sum is σ = 191632373262. Its totient is φ = 85521885480.

The previous prime is 128282828273. The next prime is 128282828341. The reversal of 128282828301 is 103828282821.

It can be written as a sum of positive squares in only one way, i.e., 126931163076 + 1351665225 = 356274^2 + 36765^2 .

It is not a de Polignac number, because 128282828301 - 217 = 128282697229 is a prime.

It is a super-3 number, since 3×1282828283013 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128282828341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 791869230 + ... + 791869391.

Almost surely, 2128282828301 is an apocalyptic number.

It is an amenable number.

128282828301 is a deficient number, since it is larger than the sum of its proper divisors (63349544961).

128282828301 is an equidigital number, since it uses as much as digits as its factorization.

128282828301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583738633 (or 1583738624 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 128282828301 in words is "one hundred twenty-eight billion, two hundred eighty-two million, eight hundred twenty-eight thousand, three hundred one".

Divisors: 1 3 9 27 81 1583738621 4751215863 14253647589 42760942767 128282828301