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13551550041 = 3291031512281
BaseRepresentation
bin11001001111011110…
…00011111001011001
31021222102122001212210
430213233003321121
5210223144100131
610120412425333
7656551163151
oct144757037131
937872561783
1013551550041
115824551137
122762478249
13137c735883
14927add761
15544a9e146
hex327bc3e59

13551550041 has 16 divisors (see below), whose sum is σ = 18873279360. Its totient is φ = 8638143360.

The previous prime is 13551550039. The next prime is 13551550069. The reversal of 13551550041 is 14005515531.

It is not a de Polignac number, because 13551550041 - 21 = 13551550039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13551549990 and 13551550008.

It is not an unprimeable number, because it can be changed into a prime (13551550081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747180 + ... + 765101.

It is an arithmetic number, because the mean of its divisors is an integer number (1179579960).

Almost surely, 213551550041 is an apocalyptic number.

It is an amenable number.

13551550041 is a deficient number, since it is larger than the sum of its proper divisors (5321729319).

13551550041 is a wasteful number, since it uses less digits than its factorization.

13551550041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512416.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 13551550041 in words is "thirteen billion, five hundred fifty-one million, five hundred fifty thousand, forty-one".

Divisors: 1 3 29 87 103 309 2987 8961 1512281 4536843 43856149 131568447 155764943 467294829 4517183347 13551550041