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302103221012 = 22971495752057
BaseRepresentation
bin1000110010101101100…
…00010101001100010100
31001212210002111201120122
410121112300111030110
514422201411033022
6350441224251112
730553254003125
oct4312660251424
91055702451518
10302103221012
1110713743538a
124a671910a98
13226467a6898
141089c5ca04c
157cd2160742
hex4656c15314

302103221012 has 24 divisors (see below), whose sum is σ = 534176924904. Its totient is φ = 149481510912.

The previous prime is 302103221009. The next prime is 302103221039. The reversal of 302103221012 is 210122301203.

It can be written as a sum of positive squares in 4 ways, for example, as 34758382096 + 267344838916 = 186436^2 + 517054^2 .

It is a super-2 number, since 2×3021032210122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5777288 + ... + 5829344.

It is an arithmetic number, because the mean of its divisors is an integer number (22257371871).

Almost surely, 2302103221012 is an apocalyptic number.

It is an amenable number.

302103221012 is a deficient number, since it is larger than the sum of its proper divisors (232073703892).

302103221012 is a wasteful number, since it uses less digits than its factorization.

302103221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67115 (or 67113 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 302103221012 its reverse (210122301203), we get a palindrome (512225522215).

The spelling of 302103221012 in words is "three hundred two billion, one hundred three million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 97 194 388 14957 29914 52057 59828 104114 208228 1450829 2901658 5049529 5803316 10099058 20198116 778616549 1557233098 3114466196 75525805253 151051610506 302103221012