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32400400423 = 291117255187
BaseRepresentation
bin11110001011001101…
…101110000000100111
310002122001001212201111
4132023031232000213
51012324000303143
622515021005451
72224624600546
oct361315560047
9102561055644
1032400400423
11128171aa436
1263429b3887
133094791091
1417d517015d
15c9972d99d
hex78b36e027

32400400423 has 4 divisors (see below), whose sum is σ = 33517655640. Its totient is φ = 31283145208.

The previous prime is 32400400399. The next prime is 32400400441.

32400400423 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 32400400423 - 225 = 32366845991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32400400394 and 32400400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32400410423) 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, 558627565 + ... + 558627622.

It is an arithmetic number, because the mean of its divisors is an integer number (8379413910).

Almost surely, 232400400423 is an apocalyptic number.

32400400423 is a deficient number, since it is larger than the sum of its proper divisors (1117255217).

32400400423 is a wasteful number, since it uses less digits than its factorization.

32400400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117255216.

The product of its (nonzero) digits is 2304, while the sum is 22.

The spelling of 32400400423 in words is "thirty-two billion, four hundred million, four hundred thousand, four hundred twenty-three".

Divisors: 1 29 1117255187 32400400423