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302431002212 = 22157481578029
BaseRepresentation
bin1000110011010100100…
…10101101111001100100
31001220121221021201212002
410121222102231321210
514423334314032322
6350533533544432
730564344050343
oct4315222557144
91056557251762
10302431002212
11107295464239
124a743645118
1322699680761
14108cdd51b5a
157d00d0ac92
hex466a4ade64

302431002212 has 12 divisors (see below), whose sum is σ = 532625301180. Its totient is φ = 150252344736.

The previous prime is 302431002157. The next prime is 302431002229. The reversal of 302431002212 is 212200134203.

It can be written as a sum of positive squares in 2 ways, for example, as 161133199396 + 141297802816 = 401414^2 + 375896^2 .

It is a super-2 number, since 2×3024310022122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 240788387 + ... + 240789642.

It is an arithmetic number, because the mean of its divisors is an integer number (44385441765).

Almost surely, 2302431002212 is an apocalyptic number.

It is an amenable number.

302431002212 is a deficient number, since it is larger than the sum of its proper divisors (230194298968).

302431002212 is a wasteful number, since it uses less digits than its factorization.

302431002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481578190 (or 481578188 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 302431002212 its reverse (212200134203), we get a palindrome (514631136415).

The spelling of 302431002212 in words is "three hundred two billion, four hundred thirty-one million, two thousand, two hundred twelve".

Divisors: 1 2 4 157 314 628 481578029 963156058 1926312116 75607750553 151215501106 302431002212