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30627928312 = 23711091393559
BaseRepresentation
bin11100100001100100…
…010001100011111000
32221001111211222002021
4130201210101203320
51000211222201222
622023102444224
72132663044432
oct344144214370
987044758067
1030627928312
1111a97737953
125b29293674
132b714bba07
1416a79c1652
15be3d11ac7
hex7219118f8

30627928312 has 64 divisors (see below), whose sum is σ = 59209920000. Its totient is φ = 14847960960.

The previous prime is 30627928307. The next prime is 30627928349. The reversal of 30627928312 is 21382972603.

It is a super-2 number, since 2×306279283122 (a number of 22 digits) contains 22 as substring.

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, 8603989 + ... + 8607547.

It is an arithmetic number, because the mean of its divisors is an integer number (925155000).

Almost surely, 230627928312 is an apocalyptic number.

It is an amenable number.

30627928312 is a deficient number, since it is larger than the sum of its proper divisors (28581991688).

30627928312 is a wasteful number, since it uses less digits than its factorization.

30627928312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 30627928312 in words is "thirty billion, six hundred twenty-seven million, nine hundred twenty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 71 109 139 142 218 278 284 436 556 568 872 1112 3559 7118 7739 9869 14236 15151 15478 19738 28472 30302 30956 39476 60604 61912 78952 121208 252689 387931 494701 505378 775862 989402 1010756 1075721 1551724 1978804 2021512 2151442 3103448 3957608 4302884 8605768 27543101 35123771 53922409 55086202 70247542 107844818 110172404 140495084 215689636 220344808 280990168 431379272 3828491039 7656982078 15313964156 30627928312