Base | Representation |
---|---|
bin | 11001001111010010… |
… | …10001011001101101 |
3 | 1021222022202222012022 |
4 | 30213221101121231 |
5 | 210222302014433 |
6 | 10120320115525 |
7 | 656532242624 |
oct | 144751213155 |
9 | 37868688168 |
10 | 13550032493 |
11 | 5823704a68 |
12 | 2761a65ba5 |
13 | 137c323c0a |
14 | 9278266bb |
15 | 54489e698 |
hex | 327a5166d |
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".
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