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302145423012 = 22328392928417
BaseRepresentation
bin1000110010110010100…
…01010100011010100100
31001212220000220210211200
410121121101110122210
514422243212014022
6350445333002500
730554305502046
oct4313121243244
91055800823750
10302145423012
1110715923a374
124a683a83430
1322652461794
14108a4053a96
157cd5be9bac
hex46594546a4

302145423012 has 18 divisors (see below), whose sum is σ = 763756486038. Its totient is φ = 100715140992.

The previous prime is 302145423011. The next prime is 302145423031. The reversal of 302145423012 is 210324541203.

302145423012 is a `hidden beast` number, since 302 + 1 + 4 + 54 + 2 + 301 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 227695026276 + 74450396736 = 477174^2 + 272856^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (302145423011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4196464173 + ... + 4196464244.

It is an arithmetic number, because the mean of its divisors is an integer number (42430915891).

Almost surely, 2302145423012 is an apocalyptic number.

It is an amenable number.

302145423012 is an abundant number, since it is smaller than the sum of its proper divisors (461611063026).

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

302145423012 is a wasteful number, since it uses less digits than its factorization.

302145423012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392928427 (or 8392928422 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 302145423012 its reverse (210324541203), we get a palindrome (512469964215).

The spelling of 302145423012 in words is "three hundred two billion, one hundred forty-five million, four hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 8392928417 16785856834 25178785251 33571713668 50357570502 75536355753 100715141004 151072711506 302145423012