Search a number
-
+
21033202001 = 76263479761
BaseRepresentation
bin10011100101101011…
…010011000101010001
32000021211200100221112
4103211223103011101
5321033444431001
613355034303105
71343136160430
oct234553230521
960254610845
1021033202001
118a1376aa79
1240abb87a95
131ca276b376
1410375d7117
15831809cbb
hex4e5ad3151

21033202001 has 8 divisors (see below), whose sum is σ = 24041833344. Its totient is φ = 18025542720.

The previous prime is 21033201961. The next prime is 21033202037. The reversal of 21033202001 is 10020233012.

It is a happy number.

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 21033202001 - 218 = 21032939857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21033202061) 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, 196040 + ... + 283721.

It is an arithmetic number, because the mean of its divisors is an integer number (3005229168).

Almost surely, 221033202001 is an apocalyptic number.

It is an amenable number.

21033202001 is a deficient number, since it is larger than the sum of its proper divisors (3008631343).

21033202001 is an equidigital number, since it uses as much as digits as its factorization.

21033202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486031.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21033202001 its reverse (10020233012), we get a palindrome (31053435013).

The spelling of 21033202001 in words is "twenty-one billion, thirty-three million, two hundred two thousand, one".

Divisors: 1 7 6263 43841 479761 3358327 3004743143 21033202001