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30021303320 = 2351459351431
BaseRepresentation
bin11011111101011010…
…001011110000011000
32212111020101020000222
4123331122023300120
5442440423201240
621442552415212
72111645603441
oct337532136030
985436336028
1030021303320
1111806274588
12599a0a7508
132aa5913808
14164b1d22c8
15baa935eb5
hex6fd68bc18

30021303320 has 32 divisors (see below), whose sum is σ = 67553874720. Its totient is φ = 12007464960.

The previous prime is 30021303317. The next prime is 30021303331. The reversal of 30021303320 is 2330312003.

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 7 ways as a sum of consecutive naturals, for example, 558005 + ... + 609435.

It is an arithmetic number, because the mean of its divisors is an integer number (2111058585).

Almost surely, 230021303320 is an apocalyptic number.

It is an amenable number.

30021303320 is an abundant number, since it is smaller than the sum of its proper divisors (37532571400).

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

30021303320 is a wasteful number, since it uses less digits than its factorization.

30021303320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66035 (or 66031 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30021303320 its reverse (2330312003), we get a palindrome (32351615323).

The spelling of 30021303320 in words is "thirty billion, twenty-one million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 14593 29186 51431 58372 72965 102862 116744 145930 205724 257155 291860 411448 514310 583720 1028620 2057240 750532583 1501065166 3002130332 3752662915 6004260664 7505325830 15010651660 30021303320