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302012311330 = 2530201231133
BaseRepresentation
bin1000110010100010101…
…01100010011100100010
31001212112202110000221101
410121101111202130202
514422010122430310
6350424215545014
730551101201252
oct4312125423442
91055482400841
10302012311330
111070a0092614
124a64738b16a
13226309c6882
14108904c3962
157cc91a443a
hex4651562722

302012311330 has 8 divisors (see below), whose sum is σ = 543622160412. Its totient is φ = 120804924528.

The previous prime is 302012311319. The next prime is 302012311331. The reversal of 302012311330 is 33113210203.

It can be written as a sum of positive squares in 2 ways, for example, as 301799705769 + 212605561 = 549363^2 + 14581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3020123113302 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302012311298 and 302012311307.

It is not an unprimeable number, because it can be changed into a prime (302012311331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15100615557 + ... + 15100615576.

Almost surely, 2302012311330 is an apocalyptic number.

302012311330 is a deficient number, since it is larger than the sum of its proper divisors (241609849082).

302012311330 is a wasteful number, since it uses less digits than its factorization.

302012311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30201231140.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 302012311330 its reverse (33113210203), we get a palindrome (335125521533).

The spelling of 302012311330 in words is "three hundred two billion, twelve million, three hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 30201231133 60402462266 151006155665 302012311330