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43142430400 = 265241657659
BaseRepresentation
bin101000001011011111…
…010011111011000000
311010100200002112121121
4220023133103323000
51201323430233100
631452552002024
73055052415316
oct501337237300
9133320075547
1043142430400
1117329860563
128440390314
1340b7115434
142133a8c0b6
1511c781251a
hexa0b7d3ec0

43142430400 has 84 divisors (see below), whose sum is σ = 108746711640. Its totient is φ = 16836044800.

The previous prime is 43142430367. The next prime is 43142430407. The reversal of 43142430400 is 403424134.

43142430400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×431424304002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (43142430407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263230 + ... + 394429.

It is an arithmetic number, because the mean of its divisors is an integer number (1294603710).

Almost surely, 243142430400 is an apocalyptic number.

43142430400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43142430400 is an abundant number, since it is smaller than the sum of its proper divisors (65604281240).

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

43142430400 is a wasteful number, since it uses less digits than its factorization.

43142430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657722 (or 657707 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43142430400 its reverse (403424134), we get a palindrome (43545854534).

The spelling of 43142430400 in words is "forty-three billion, one hundred forty-two million, four hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 64 80 82 100 160 164 200 205 320 328 400 410 656 800 820 1025 1312 1600 1640 2050 2624 3280 4100 6560 8200 13120 16400 32800 65600 657659 1315318 2630636 3288295 5261272 6576590 10522544 13153180 16441475 21045088 26306360 26964019 32882950 42090176 52612720 53928038 65765900 105225440 107856076 131531800 134820095 210450880 215712152 263063600 269640190 431424304 526127200 539280380 674100475 862848608 1052254400 1078560760 1348200950 1725697216 2157121520 2696401900 4314243040 5392803800 8628486080 10785607600 21571215200 43142430400