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30302550500 = 225313723229
BaseRepresentation
bin11100001110001011…
…000011100111100100
32220012211121001122012
4130032023003213210
5444024423104000
621530520453352
72121632300165
oct341613034744
986184531565
1030302550500
111193aaaa772
125a5831a258
132b1bc76a71
1416766c376c
15bc548d735
hex70e2c39e4

30302550500 has 72 divisors (see below), whose sum is σ = 66688014120. Its totient is φ = 12028819200.

The previous prime is 30302550497. The next prime is 30302550547. The reversal of 30302550500 is 505520303.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 21807610276 + 8494940224 = 147674^2 + 92168^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9382886 + ... + 9386114.

Almost surely, 230302550500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30302550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33344007060).

30302550500 is an abundant number, since it is smaller than the sum of its proper divisors (36385463620).

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

30302550500 is a wasteful number, since it uses less digits than its factorization.

30302550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3373 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The spelling of 30302550500 in words is "thirty billion, three hundred two million, five hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 137 250 274 500 548 685 1370 2740 3229 3425 6458 6850 12916 13700 16145 17125 18769 32290 34250 37538 64580 68500 75076 80725 93845 161450 187690 322900 375380 403625 442373 469225 807250 884746 938450 1614500 1769492 1876900 2211865 2346125 4423730 4692250 8847460 9384500 11059325 22118650 44237300 55296625 60605101 110593250 121210202 221186500 242420404 303025505 606051010 1212102020 1515127525 3030255050 6060510100 7575637625 15151275250 30302550500