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15490430886589 is a prime number
BaseRepresentation
bin1110000101101010010110…
…1000010110001010111101
32000211212111202120202122021
43201122211220112022331
54012243400301332324
652540112233320141
73156101214016231
oct341324550261275
960755452522567
1015490430886589
114a3250044548a
1218a2195b66051
13884983a17069
143b7a52c9a5c1
151bce1d14eae4
hexe16a5a162bd

15490430886589 has 2 divisors, whose sum is σ = 15490430886590. Its totient is φ = 15490430886588.

The previous prime is 15490430886583. The next prime is 15490430886599. The reversal of 15490430886589 is 98568803409451.

15490430886589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14492563748100 + 997867138489 = 3806910^2 + 998933^2 .

It is a cyclic number.

It is not a de Polignac number, because 15490430886589 - 27 = 15490430886461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15490430886583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7745215443294 + 7745215443295.

It is an arithmetic number, because the mean of its divisors is an integer number (7745215443295).

Almost surely, 215490430886589 is an apocalyptic number.

It is an amenable number.

15490430886589 is a deficient number, since it is larger than the sum of its proper divisors (1).

15490430886589 is an equidigital number, since it uses as much as digits as its factorization.

15490430886589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 298598400, while the sum is 70.

The spelling of 15490430886589 in words is "fifteen trillion, four hundred ninety billion, four hundred thirty million, eight hundred eighty-six thousand, five hundred eighty-nine".