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30047115228 = 22313474098079
BaseRepresentation
bin11011111110111100…
…101001011111011100
32212120000221121022120
4123332330221133130
5443014030141403
621445313542540
72112411160014
oct337674513734
985500847276
1030047115228
11118198a4439
1259a6874a50
132aab080430
1416507d0c44
15bacd33e53
hex6fef297dc

30047115228 has 48 divisors (see below), whose sum is σ = 77109473280. Its totient is φ = 9048556224.

The previous prime is 30047115193. The next prime is 30047115247. The reversal of 30047115228 is 82251174003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041708 + ... + 2056371.

It is an arithmetic number, because the mean of its divisors is an integer number (1606447360).

Almost surely, 230047115228 is an apocalyptic number.

It is an amenable number.

30047115228 is an abundant number, since it is smaller than the sum of its proper divisors (47062358052).

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

30047115228 is a wasteful number, since it uses less digits than its factorization.

30047115228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098146 (or 4098144 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 30047115228 in words is "thirty billion, forty-seven million, one hundred fifteen thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 47 52 78 94 141 156 188 282 564 611 1222 1833 2444 3666 7332 4098079 8196158 12294237 16392316 24588474 49176948 53275027 106550054 159825081 192609713 213100108 319650162 385219426 577829139 639300324 770438852 1155658278 2311316556 2503926269 5007852538 7511778807 10015705076 15023557614 30047115228