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302102321013 = 3241818705477
BaseRepresentation
bin1000110010101101011…
…00111001011101110101
31001212210000211000000100
410121112230321131311
514422201143233023
6350441153104313
730553243234203
oct4312654713565
91055700730010
10302102321013
11107136980189
124a671558099
132264655003c
141089c434073
157cd2033c43
hex4656b39775

302102321013 has 12 divisors (see below), whose sum is σ = 447013190988. Its totient is φ = 196489314240.

The previous prime is 302102320997. The next prime is 302102321033. The reversal of 302102321013 is 310123201203.

It can be written as a sum of positive squares in 2 ways, for example, as 58563032004 + 243539289009 = 241998^2 + 493497^2 .

It is not a de Polignac number, because 302102321013 - 24 = 302102320997 is a prime.

It is a super-3 number, since 3×3021023210133 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302102321033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409352370 + ... + 409353107.

It is an arithmetic number, because the mean of its divisors is an integer number (37251099249).

Almost surely, 2302102321013 is an apocalyptic number.

It is an amenable number.

302102321013 is a deficient number, since it is larger than the sum of its proper divisors (144910869975).

302102321013 is a wasteful number, since it uses less digits than its factorization.

302102321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818705524 (or 818705521 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 302102321013 its reverse (310123201203), we get a palindrome (612225522216).

The spelling of 302102321013 in words is "three hundred two billion, one hundred two million, three hundred twenty-one thousand, thirteen".

Divisors: 1 3 9 41 123 369 818705477 2456116431 7368349293 33566924557 100700773671 302102321013