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32400420011 = 114972818163
BaseRepresentation
bin11110001011001101…
…110010110010101011
310002122001002212120222
4132023031302302223
51012324001420021
622515021240255
72224625011631
oct361315626253
9102561085528
1032400420011
1112817213123
126342a0308b
133094799c7b
1417d5177351
15c997346ab
hex78b372cab

32400420011 has 4 divisors (see below), whose sum is σ = 32403249672. Its totient is φ = 32397590352.

The previous prime is 32400420001. The next prime is 32400420113. The reversal of 32400420011 is 11002400423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32400420011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32400420001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397585 + ... + 1420578.

It is an arithmetic number, because the mean of its divisors is an integer number (8100812418).

Almost surely, 232400420011 is an apocalyptic number.

32400420011 is a deficient number, since it is larger than the sum of its proper divisors (2829661).

32400420011 is a wasteful number, since it uses less digits than its factorization.

32400420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829660.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 32400420011 its reverse (11002400423), we get a palindrome (43402820434).

The spelling of 32400420011 in words is "thirty-two billion, four hundred million, four hundred twenty thousand, eleven".

Divisors: 1 11497 2818163 32400420011