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21301330002 = 233550221667
BaseRepresentation
bin10011110101101010…
…001000000001010010
32000222112012200102020
4103311222020001102
5322111120030002
613441413232310
71352603213631
oct236552100122
960875180366
1021301330002
119041055567
124165932696
13201618a0a4
141061071518
1584a1202bc
hex4f5a88052

21301330002 has 8 divisors (see below), whose sum is σ = 42602660016. Its totient is φ = 7100443332.

The previous prime is 21301329997. The next prime is 21301330003. The reversal of 21301330002 is 20003310312.

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

21301330002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21301330003) 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, 1775110828 + ... + 1775110839.

It is an arithmetic number, because the mean of its divisors is an integer number (5325332502).

Almost surely, 221301330002 is an apocalyptic number.

21301330002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21301330002 is a wasteful number, since it uses less digits than its factorization.

21301330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550221672.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21301330002 its reverse (20003310312), we get a palindrome (41304640314).

The spelling of 21301330002 in words is "twenty-one billion, three hundred one million, three hundred thirty thousand, two".

Divisors: 1 2 3 6 3550221667 7100443334 10650665001 21301330002