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42031200209 = 613911176179
BaseRepresentation
bin100111001001010000…
…010011011111010001
311000111020010012100212
4213021100103133101
51142034441401314
631150414253505
73015400210205
oct471120233721
9130436105325
1042031200209
11169095758a9
1281901b7295
133c6ab31c8b
14206a268b05
15115eeade3e
hex9c94137d1

42031200209 has 8 divisors (see below), whose sum is σ = 42731401920. Its totient is φ = 41331358800.

The previous prime is 42031200191. The next prime is 42031200221. The reversal of 42031200209 is 90200213024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42031200209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42031200709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150482 + ... + 326660.

It is an arithmetic number, because the mean of its divisors is an integer number (5341425240).

Almost surely, 242031200209 is an apocalyptic number.

It is an amenable number.

42031200209 is a deficient number, since it is larger than the sum of its proper divisors (700201711).

42031200209 is a wasteful number, since it uses less digits than its factorization.

42031200209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180151.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 42031200209 in words is "forty-two billion, thirty-one million, two hundred thousand, two hundred nine".

Divisors: 1 61 3911 176179 238571 10746919 689036069 42031200209