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43142899000 = 235343142899
BaseRepresentation
bin101000001011100001…
…000110010100111000
311010100200222100102011
4220023201012110320
51201324040232000
631453010015304
73055056406435
oct501341062470
9133320870364
1043142899000
111732a050633
128440577534
1340b724a806
142133b70b8c
1511c78a62ba
hexa0b846538

43142899000 has 32 divisors (see below), whose sum is σ = 100954386000. Its totient is φ = 17257159200.

The previous prime is 43142898973. The next prime is 43142899003. The reversal of 43142899000 is 99824134.

It is a super-2 number, since 2×431428990002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142899003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21570450 + ... + 21572449.

Almost surely, 243142899000 is an apocalyptic number.

43142899000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43142899000 is an abundant number, since it is smaller than the sum of its proper divisors (57811487000).

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

43142899000 is a wasteful number, since it uses less digits than its factorization.

43142899000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43142920 (or 43142906 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 43142899000 in words is "forty-three billion, one hundred forty-two million, eight hundred ninety-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 43142899 86285798 172571596 215714495 345143192 431428990 862857980 1078572475 1725715960 2157144950 4314289900 5392862375 8628579800 10785724750 21571449500 43142899000