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21312322300130 = 252131232230013
BaseRepresentation
bin1001101100010001010010…
…11001100110100011100010
32210110102211101101122220012
410312020221121212203202
510243140114002101010
6113154425023244522
74326523133355461
oct466105131464342
983412741348805
1021312322300130
116877561366744
122482579749742
13bb798824ab14
145397441609d8
1526e5b0993005
hex1362296668e2

21312322300130 has 8 divisors (see below), whose sum is σ = 38362180140252. Its totient is φ = 8524928920048.

The previous prime is 21312322300127. The next prime is 21312322300141. The reversal of 21312322300130 is 3100322321312.

It can be written as a sum of positive squares in 2 ways, for example, as 21149136194761 + 163186105369 = 4598819^2 + 403963^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21312322300096 and 21312322300105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065616114997 + ... + 1065616115016.

Almost surely, 221312322300130 is an apocalyptic number.

21312322300130 is a deficient number, since it is larger than the sum of its proper divisors (17049857840122).

21312322300130 is a wasteful number, since it uses less digits than its factorization.

21312322300130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131232230020.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21312322300130 its reverse (3100322321312), we get a palindrome (24412644621442).

The spelling of 21312322300130 in words is "twenty-one trillion, three hundred twelve billion, three hundred twenty-two million, three hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 2131232230013 4262464460026 10656161150065 21312322300130