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302001121001997 = 32157271378780113
BaseRepresentation
bin100010010101010110001110…
…1100010100000001000001101
31110121022000200101011020110200
41010222230131202200020031
5304040441243434030442
62550145222200124113
7120416601211362414
oct10452543542401015
91417260611136420
10302001121001997
1188254a5771a73a
1229a55a10466639
13cc68777c91381
145480d0a13047b
1524dab1ee7034c
hex112ab1d8a020d

302001121001997 has 24 divisors (see below), whose sum is σ = 439164157179384. Its totient is φ = 199977957264384.

The previous prime is 302001121001917. The next prime is 302001121002019. The reversal of 302001121001997 is 799100121100203.

It can be written as a sum of positive squares in 4 ways, for example, as 112202941722921 + 189798179279076 = 10592589^2 + 13776726^2 .

It is not a de Polignac number, because 302001121001997 - 27 = 302001121001869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302001121001917) 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 23 ways as a sum of consecutive naturals, for example, 35556588 + ... + 43223525.

It is an arithmetic number, because the mean of its divisors is an integer number (18298506549141).

Almost surely, 2302001121001997 is an apocalyptic number.

It is an amenable number.

302001121001997 is a deficient number, since it is larger than the sum of its proper divisors (137163036177387).

302001121001997 is a wasteful number, since it uses less digits than its factorization.

302001121001997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78782989 (or 78782986 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The spelling of 302001121001997 in words is "three hundred two trillion, one billion, one hundred twenty-one million, one thousand, nine hundred ninety-seven".

Divisors: 1 3 9 157 471 1413 2713 8139 24417 425941 1277823 3833469 78780113 236340339 709021017 12368477741 37105433223 111316299669 213730446569 641191339707 1923574019121 33555680111333 100667040333999 302001121001997