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32401221401 = 712112162821
BaseRepresentation
bin11110001011010000…
…110110011100011001
310002122002121120220002
4132023100312130121
51012324203041101
622515050342345
72224634560223
oct361320663431
9102562546802
1032401221401
111281771022a
12634312a9b5
1330949ba973
1417d5305413
15c99841d6b
hex78b436719

32401221401 has 8 divisors (see below), whose sum is σ = 33013315008. Its totient is φ = 31793454000.

The previous prime is 32401221367. The next prime is 32401221407. The reversal of 32401221401 is 10412210423.

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

It is a cyclic number.

It is not a de Polignac number, because 32401221401 - 214 = 32401205017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32401221407) 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, 1066430 + ... + 1096391.

It is an arithmetic number, because the mean of its divisors is an integer number (4126664376).

Almost surely, 232401221401 is an apocalyptic number.

It is an amenable number.

32401221401 is a deficient number, since it is larger than the sum of its proper divisors (612093607).

32401221401 is a wasteful number, since it uses less digits than its factorization.

32401221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163103.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32401221401 its reverse (10412210423), we get a palindrome (42813431824).

The spelling of 32401221401 in words is "thirty-two billion, four hundred one million, two hundred twenty-one thousand, four hundred one".

Divisors: 1 71 211 14981 2162821 153560291 456355231 32401221401