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43061053040 = 2451744371473
BaseRepresentation
bin101000000110101000…
…111000011001110000
311010010222222010212022
4220012220320121300
51201142112144130
631440523451012
73053043624455
oct500650703160
9133128863768
1043061053040
1117297929545
128419086a68
1340a32c2155
142126d4782c
1511c05da7e5
hexa06a38670

43061053040 has 80 divisors (see below), whose sum is σ = 106246958688. Its totient is φ = 16174399488.

The previous prime is 43061053027. The next prime is 43061053103. The reversal of 43061053040 is 4035016034.

It is a tau number, because it is divible by the number of its divisors (80).

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, 566744 + ... + 638216.

Almost surely, 243061053040 is an apocalyptic number.

43061053040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43061053040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53123479344).

43061053040 is an abundant number, since it is smaller than the sum of its proper divisors (63185905648).

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

43061053040 is a wasteful number, since it uses less digits than its factorization.

43061053040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71946 (or 71940 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 43061053040 its reverse (4035016034), we get a palindrome (47096069074).

The spelling of 43061053040 in words is "forty-three billion, sixty-one million, fifty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 443 680 886 1360 1772 2215 3544 4430 7088 7531 8860 15062 17720 30124 35440 37655 60248 71473 75310 120496 142946 150620 285892 301240 357365 571784 602480 714730 1143568 1215041 1429460 2430082 2858920 4860164 5717840 6075205 9720328 12150410 19440656 24300820 31662539 48601640 63325078 97203280 126650156 158312695 253300312 316625390 506600624 538263163 633250780 1076526326 1266501560 2153052652 2533003120 2691315815 4306105304 5382631630 8612210608 10765263260 21530526520 43061053040