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43132805140 = 2258924231913
BaseRepresentation
bin101000001010111010…
…100110000000010100
311010022222222112020111
4220022322212000110
51201313444231030
631452005412404
73054604536325
oct501272460024
9133288875214
1043132805140
11173243869a7
12843910a104
1340b5125309
1421326a444c
1511c6a6062a
hexa0aea6014

43132805140 has 24 divisors (see below), whose sum is σ = 91596634920. Its totient is φ = 17059266048.

The previous prime is 43132805099. The next prime is 43132805143. The reversal of 43132805140 is 4150823134.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 43131813124 = 996^2 + 207682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43132805143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12114177 + ... + 12117736.

It is an arithmetic number, because the mean of its divisors is an integer number (3816526455).

Almost surely, 243132805140 is an apocalyptic number.

It is an amenable number.

43132805140 is an abundant number, since it is smaller than the sum of its proper divisors (48463829780).

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

43132805140 is a wasteful number, since it uses less digits than its factorization.

43132805140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24232011 (or 24232009 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 43132805140 in words is "forty-three billion, one hundred thirty-two million, eight hundred five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 24231913 48463826 96927652 121159565 242319130 484638260 2156640257 4313280514 8626561028 10783201285 21566402570 43132805140