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302130224434 = 2151065112217
BaseRepresentation
bin1000110010110000101…
…11010101110100110010
31001212211222022122022101
410121120113111310302
514422230314140214
6350444031131014
730554032351243
oct4313027256462
91055758278271
10302130224434
111071506a9465
124a67a973a6a
132264c26c93c
14108a2018cca
157cd46e6774
hex46585d5d32

302130224434 has 4 divisors (see below), whose sum is σ = 453195336654. Its totient is φ = 151065112216.

The previous prime is 302130224419. The next prime is 302130224437. The reversal of 302130224434 is 434422031203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434422031203 = 459167946109.

It can be written as a sum of positive squares in only one way, i.e., 297246311209 + 4883913225 = 545203^2 + 69885^2 .

It is not an unprimeable number, because it can be changed into a prime (302130224437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75532556107 + ... + 75532556110.

Almost surely, 2302130224434 is an apocalyptic number.

302130224434 is a deficient number, since it is larger than the sum of its proper divisors (151065112220).

302130224434 is a wasteful number, since it uses less digits than its factorization.

302130224434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151065112219.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 302130224434 its reverse (434422031203), we get a palindrome (736552255637).

The spelling of 302130224434 in words is "three hundred two billion, one hundred thirty million, two hundred twenty-four thousand, four hundred thirty-four".

Divisors: 1 2 151065112217 302130224434