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43230424640 = 2651323451823
BaseRepresentation
bin101000010000101110…
…111110111001000000
311010120210200010000112
4220100232332321000
51202013442042030
631505414010452
73060201355304
oct502056767100
9133523603015
1043230424640
11173744a1977
128465946a28
1340cc414430
142141635d04
1511d03e4a95
hexa10bbee40

43230424640 has 112 divisors (see below), whose sum is σ = 115681402368. Its totient is φ = 15267969024.

The previous prime is 43230424639. The next prime is 43230424649. The reversal of 43230424640 is 4642403234.

It is a super-2 number, since 2×432304246402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 43230424597 and 43230424606.

It is not an unprimeable number, because it can be changed into a prime (43230424649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130232 + ... + 321591.

It is an arithmetic number, because the mean of its divisors is an integer number (1032869664).

Almost surely, 243230424640 is an apocalyptic number.

43230424640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43230424640 is an abundant number, since it is smaller than the sum of its proper divisors (72450977728).

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

43230424640 is a wasteful number, since it uses less digits than its factorization.

43230424640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451876 (or 451866 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43230424640 its reverse (4642403234), we get a palindrome (47872827874).

The spelling of 43230424640 in words is "forty-three billion, two hundred thirty million, four hundred twenty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 23 26 32 40 46 52 64 65 80 92 104 115 130 160 184 208 230 260 299 320 368 416 460 520 598 736 832 920 1040 1196 1472 1495 1840 2080 2392 2990 3680 4160 4784 5980 7360 9568 11960 19136 23920 47840 95680 451823 903646 1807292 2259115 3614584 4518230 5873699 7229168 9036460 10391929 11747398 14458336 18072920 20783858 23494796 28916672 29368495 36145840 41567716 46989592 51959645 58736990 72291680 83135432 93979184 103919290 117473980 135095077 144583360 166270864 187958368 207838580 234947960 270190154 332541728 375916736 415677160 469895920 540380308 665083456 675475385 831354320 939791840 1080760616 1350950770 1662708640 1879583680 2161521232 2701901540 3325417280 4323042464 5403803080 8646084928 10807606160 21615212320 43230424640