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30112400443240 = 23523257127357471
BaseRepresentation
bin1101101100011000101101…
…11011101000011101101000
310221121201100221221212221101
412312030112323220131220
512421330144003140430
6144013240142451144
76225356232400363
oct666142673503550
9127551327855841
1030112400443240
11965a663026755
123463b99b93ab4
1313a578304b76b
1476163b2a70da
1537345c9d3dca
hex1b6316ee8768

30112400443240 has 64 divisors (see below), whose sum is σ = 70973771996160. Its totient is φ = 11476436336640.

The previous prime is 30112400443231. The next prime is 30112400443283. The reversal of 30112400443240 is 4234400421103.

It is a junction number, because it is equal to n+sod(n) for n = 30112400443199 and 30112400443208.

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, 63442296 + ... + 63915175.

It is an arithmetic number, because the mean of its divisors is an integer number (1108965187440).

Almost surely, 230112400443240 is an apocalyptic number.

It is an amenable number.

30112400443240 is an abundant number, since it is smaller than the sum of its proper divisors (40861371552920).

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

30112400443240 is a wasteful number, since it uses less digits than its factorization.

30112400443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127357762 (or 127357758 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30112400443240 its reverse (4234400421103), we get a palindrome (34346800864343).

The spelling of 30112400443240 in words is "thirty trillion, one hundred twelve billion, four hundred million, four hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 257 460 514 920 1028 1285 2056 2570 5140 5911 10280 11822 23644 29555 47288 59110 118220 236440 127357471 254714942 509429884 636787355 1018859768 1273574710 2547149420 2929221833 5094298840 5858443666 11716887332 14646109165 23433774664 29292218330 32730870047 58584436660 65461740094 117168873320 130923480188 163654350235 261846960376 327308700470 654617400940 752810011081 1309234801880 1505620022162 3011240044324 3764050055405 6022480088648 7528100110810 15056200221620 30112400443240