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302012020030 = 25741671570607
BaseRepresentation
bin1000110010100010101…
…00011011010100111110
31001212112201220020100111
410121101110123110332
514422010034120110
6350424205420234
730551065546060
oct4312124332476
91055481806314
10302012020030
1110709aa03776
124a64726a67a
13226309240c6
1410890449730
157cc9147e8a
hex465151b53e

302012020030 has 64 divisors (see below), whose sum is σ = 645934528512. Its totient is φ = 99513596160.

The previous prime is 302012019979. The next prime is 302012020043. The reversal of 302012020030 is 30020210203.

It is a happy number.

It is a super-2 number, since 2×3020120200302 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 593014 + ... + 977593.

It is an arithmetic number, because the mean of its divisors is an integer number (10092727008).

Almost surely, 2302012020030 is an apocalyptic number.

302012020030 is an abundant number, since it is smaller than the sum of its proper divisors (343922508482).

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

302012020030 is a wasteful number, since it uses less digits than its factorization.

302012020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570729.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 302012020030 its reverse (30020210203), we get a palindrome (332032230233).

The spelling of 302012020030 in words is "three hundred two billion, twelve million, twenty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 41 67 70 82 134 205 287 335 410 469 574 670 938 1435 2345 2747 2870 4690 5494 13735 19229 27470 38458 96145 192290 1570607 3141214 7853035 10994249 15706070 21988498 54971245 64394887 105230669 109942490 128789774 210461338 321974435 450764209 526153345 643948870 736614683 901528418 1052306690 1473229366 2253821045 3683073415 4314457429 4507642090 7366146830 8628914858 21572287145 30201202003 43144574290 60402404006 151006010015 302012020030