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13550032493 is a prime number
BaseRepresentation
bin11001001111010010…
…10001011001101101
31021222022202222012022
430213221101121231
5210222302014433
610120320115525
7656532242624
oct144751213155
937868688168
1013550032493
115823704a68
122761a65ba5
13137c323c0a
149278266bb
1554489e698
hex327a5166d

13550032493 has 2 divisors, whose sum is σ = 13550032494. Its totient is φ = 13550032492.

The previous prime is 13550032429. The next prime is 13550032511. The reversal of 13550032493 is 39423005531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13531040329 + 18992164 = 116323^2 + 4358^2 .

It is a cyclic number.

It is not a de Polignac number, because 13550032493 - 26 = 13550032429 is a prime.

It is a super-2 number, since 2×135500324932 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13550032193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775016246 + 6775016247.

It is an arithmetic number, because the mean of its divisors is an integer number (6775016247).

Almost surely, 213550032493 is an apocalyptic number.

It is an amenable number.

13550032493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550032493 is an equidigital number, since it uses as much as digits as its factorization.

13550032493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 13550032493 in words is "thirteen billion, five hundred fifty million, thirty-two thousand, four hundred ninety-three".