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302030321313 = 37172182327299
BaseRepresentation
bin1000110010100100110…
…10001111011010100001
31001212121000100000222210
410121102122033122201
514422024230240223
6350430101552333
730551410241430
oct4312232173241
91055530300883
10302030321313
111070aa2737a6
124a6514156a9
1322634661276
1410892a51117
157ccaa60893
hex465268f6a1

302030321313 has 48 divisors (see below), whose sum is σ = 489188044800. Its totient is φ = 162341424384.

The previous prime is 302030321297. The next prime is 302030321387. The reversal of 302030321313 is 313123030203.

It is not a de Polignac number, because 302030321313 - 24 = 302030321297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 302030321313.

It is not an unprimeable number, because it can be changed into a prime (302030321393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11050138 + ... + 11077436.

It is an arithmetic number, because the mean of its divisors is an integer number (10191417600).

Almost surely, 2302030321313 is an apocalyptic number.

It is an amenable number.

302030321313 is a deficient number, since it is larger than the sum of its proper divisors (187157723487).

302030321313 is a wasteful number, since it uses less digits than its factorization.

302030321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29166 (or 29149 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 302030321313 its reverse (313123030203), we get a palindrome (615153351516).

The spelling of 302030321313 in words is "three hundred two billion, thirty million, three hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 3 7 17 21 51 119 289 357 867 1823 2023 5469 6069 12761 27299 30991 38283 81897 92973 191093 216937 464083 526847 573279 650811 1392249 1580541 3248581 3687929 7889411 9745743 11063787 23668233 49766077 55225877 149298231 165677631 348362539 846023309 1045087617 2538069927 5922163163 14382396253 17766489489 43147188759 100676773771 302030321313