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302120102012 = 22431756512221
BaseRepresentation
bin1000110010101111100…
…00101110100001111100
31001212211021021100221212
410121113300232201330
514422220221231022
6350443030143552
730553550331641
oct4312760564174
91055737240855
10302120102012
11107145a15323
124a6774b1bb8
132264a137441
14108a0941dc8
157cd38973e2
hex4657c2e87c

302120102012 has 12 divisors (see below), whose sum is σ = 541005764376. Its totient is φ = 147547026480.

The previous prime is 302120101991. The next prime is 302120102017. The reversal of 302120102012 is 210201021203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302120102017) 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, 878255939 + ... + 878256282.

It is an arithmetic number, because the mean of its divisors is an integer number (45083813698).

Almost surely, 2302120102012 is an apocalyptic number.

It is an amenable number.

302120102012 is a deficient number, since it is larger than the sum of its proper divisors (238885662364).

302120102012 is a wasteful number, since it uses less digits than its factorization.

302120102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756512268 (or 1756512266 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 302120102012 its reverse (210201021203), we get a palindrome (512321123215).

The spelling of 302120102012 in words is "three hundred two billion, one hundred twenty million, one hundred two thousand, twelve".

Divisors: 1 2 4 43 86 172 1756512221 3513024442 7026048884 75530025503 151060051006 302120102012