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21132303001 = 43647759581
BaseRepresentation
bin10011101011100101…
…010101101010011001
32000112202011012221221
4103223211111222121
5321234332144001
613412534332041
71345451416555
oct235345255231
960482135857
1021132303001
118a646a8027
1241191ba021
131cba158904
141046832865
1583a3831a1
hex4eb955a99

21132303001 has 8 divisors (see below), whose sum is σ = 21657201984. Its totient is φ = 20608924560.

The previous prime is 21132302957. The next prime is 21132303089. The reversal of 21132303001 is 10030323112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21132303001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21132303091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351970 + ... + 407611.

It is an arithmetic number, because the mean of its divisors is an integer number (2707150248).

Almost surely, 221132303001 is an apocalyptic number.

It is an amenable number.

21132303001 is a deficient number, since it is larger than the sum of its proper divisors (524898983).

21132303001 is an equidigital number, since it uses as much as digits as its factorization.

21132303001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760271.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21132303001 its reverse (10030323112), we get a palindrome (31162626113).

The spelling of 21132303001 in words is "twenty-one billion, one hundred thirty-two million, three hundred three thousand, one".

Divisors: 1 43 647 27821 759581 32661983 491448907 21132303001