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15680008133 is a prime number
BaseRepresentation
bin11101001101001100…
…11110111111000101
31111110202200221110222
432212212132333011
5224103040230013
611111524554125
71063364604266
oct164646367705
944422627428
1015680008133
116716a57209
123057252945
13162b6a892a
14a8a67696d
1561b888508
hex3a699efc5

15680008133 has 2 divisors, whose sum is σ = 15680008134. Its totient is φ = 15680008132.

The previous prime is 15680008081. The next prime is 15680008139. The reversal of 15680008133 is 33180008651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14285508484 + 1394499649 = 119522^2 + 37343^2 .

It is a cyclic number.

It is not a de Polignac number, because 15680008133 - 214 = 15679991749 is a prime.

It is a super-2 number, since 2×156800081332 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15680008093 and 15680008102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15680008139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7840004066 + 7840004067.

It is an arithmetic number, because the mean of its divisors is an integer number (7840004067).

Almost surely, 215680008133 is an apocalyptic number.

It is an amenable number.

15680008133 is a deficient number, since it is larger than the sum of its proper divisors (1).

15680008133 is an equidigital number, since it uses as much as digits as its factorization.

15680008133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 15680008133 in words is "fifteen billion, six hundred eighty million, eight thousand, one hundred thirty-three".