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40120343001 = 326173078949
BaseRepresentation
bin100101010111010110…
…111101100111011001
310211120001111121001200
4211113112331213121
51124131301434001
630233034104413
72620135201014
oct452726754731
9124501447050
1040120343001
1116018984572
12793827b109
133a24c9963b
141d2857637b
15109c359086
hex9575bd9d9

40120343001 has 12 divisors (see below), whose sum is σ = 58901633700. Its totient is φ = 26308421280.

The previous prime is 40120342961. The next prime is 40120343023. The reversal of 40120343001 is 10034302104.

It can be written as a sum of positive squares in 2 ways, for example, as 22237967376 + 17882375625 = 149124^2 + 133725^2 .

It is not a de Polignac number, because 40120343001 - 230 = 39046601177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40120343071) 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, 36538926 + ... + 36540023.

It is an arithmetic number, because the mean of its divisors is an integer number (4908469475).

Almost surely, 240120343001 is an apocalyptic number.

It is an amenable number.

40120343001 is a deficient number, since it is larger than the sum of its proper divisors (18781290699).

40120343001 is a wasteful number, since it uses less digits than its factorization.

40120343001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73079016 (or 73079013 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40120343001 its reverse (10034302104), we get a palindrome (50154645105).

The spelling of 40120343001 in words is "forty billion, one hundred twenty million, three hundred forty-three thousand, one".

Divisors: 1 3 9 61 183 549 73078949 219236847 657710541 4457815889 13373447667 40120343001