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21342000032 = 25666937501
BaseRepresentation
bin10011111000000101…
…010001001110100000
32001002100201221012122
4103320011101032200
5322202023000112
613445425043412
71353606002303
oct237005211640
961070657178
1021342000032
119062003561
124177486568
1320217298b2
14106661ab3a
1584d9a5872
hex4f81513a0

21342000032 has 12 divisors (see below), whose sum is σ = 42017062626. Its totient is φ = 10671000000.

The previous prime is 21341999981. The next prime is 21342000077. The reversal of 21342000032 is 23000024312.

It can be written as a sum of positive squares in only one way, i.e., 20610622096 + 731377936 = 143564^2 + 27044^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333468719 + ... + 333468782.

Almost surely, 221342000032 is an apocalyptic number.

It is an amenable number.

21342000032 is a deficient number, since it is larger than the sum of its proper divisors (20675062594).

21342000032 is an equidigital number, since it uses as much as digits as its factorization.

21342000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666937511 (or 666937503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21342000032 its reverse (23000024312), we get a palindrome (44342024344).

The spelling of 21342000032 in words is "twenty-one billion, three hundred forty-two million, thirty-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 666937501 1333875002 2667750004 5335500008 10671000016 21342000032