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302144130020 = 22515107206501
BaseRepresentation
bin1000110010110010011…
…00011000101111100100
31001212212221111010012002
410121121030120233210
514422242344130040
6350445245144432
730554261505305
oct4313114305744
91055787433162
10302144130020
11107158536987
124a68355b118
13226520cb0b5
14108a3bd87ac
157cd5a41a15
hex4659318be4

302144130020 has 12 divisors (see below), whose sum is σ = 634502673084. Its totient is φ = 120857652000.

The previous prime is 302144129993. The next prime is 302144130047. The reversal of 302144130020 is 20031441203.

It is an interprime number because it is at equal distance from previous prime (302144129993) and next prime (302144130047).

It can be written as a sum of positive squares in 2 ways, for example, as 163144903744 + 138999226276 = 403912^2 + 372826^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 15107206501 = 302144130020 / (3 + 0 + 2 + 1 + 4 + 4 + 1 + 3 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 302144129974 and 302144130001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553603231 + ... + 7553603270.

It is an arithmetic number, because the mean of its divisors is an integer number (52875222757).

Almost surely, 2302144130020 is an apocalyptic number.

It is an amenable number.

302144130020 is an abundant number, since it is smaller than the sum of its proper divisors (332358543064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302144130020 is a wasteful number, since it uses less digits than its factorization.

302144130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15107206510 (or 15107206508 counting only the distinct ones).

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

Adding to 302144130020 its reverse (20031441203), we get a palindrome (322175571223).

The spelling of 302144130020 in words is "three hundred two billion, one hundred forty-four million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 15107206501 30214413002 60428826004 75536032505 151072065010 302144130020