Search a number
-
+
32400021001 = 67544988747
BaseRepresentation
bin11110001011001100…
…010001011000001001
310002122000100121020211
4132023030101120021
51012323401133001
622515004521121
72224621430425
oct361314213011
9102560317224
1032400021001
1112816a70367
1263428501a1
13309468a47a
1417d50b1b85
15c996a6351
hex78b311609

32400021001 has 8 divisors (see below), whose sum is σ = 32890008800. Its totient is φ = 31910221728.

The previous prime is 32400020993. The next prime is 32400021037. The reversal of 32400021001 is 10012000423.

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 32400021001 - 23 = 32400020993 is a prime.

It is a super-2 number, since 2×324000210012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32400021091) 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, 320710 + ... + 409456.

It is an arithmetic number, because the mean of its divisors is an integer number (4111251100).

Almost surely, 232400021001 is an apocalyptic number.

It is an amenable number.

32400021001 is a deficient number, since it is larger than the sum of its proper divisors (489987799).

32400021001 is an equidigital number, since it uses as much as digits as its factorization.

32400021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94263.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 32400021001 its reverse (10012000423), we get a palindrome (42412021424).

The spelling of 32400021001 in words is "thirty-two billion, four hundred million, twenty-one thousand, one".

Divisors: 1 67 5449 88747 365083 5946049 483582403 32400021001