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13442630623 = 232925911779
BaseRepresentation
bin11001000010011111…
…00100001111011111
31021200211200101112021
430201033210033133
5210012303134443
610101522121011
7654056321632
oct144117441737
937624611467
1013442630623
115779018394
122731ab0167
131362cbb306
14917469c19
1553a2369ed
hex3213e43df

13442630623 has 24 divisors (see below), whose sum is σ = 14774947200. Its totient is φ = 12203327136.

The previous prime is 13442630603. The next prime is 13442630627. The reversal of 13442630623 is 32603624431.

It is not a de Polignac number, because 13442630623 - 29 = 13442630111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442630627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1135348 + ... + 1147126.

It is an arithmetic number, because the mean of its divisors is an integer number (615622800).

Almost surely, 213442630623 is an apocalyptic number.

13442630623 is a deficient number, since it is larger than the sum of its proper divisors (1332316577).

13442630623 is a wasteful number, since it uses less digits than its factorization.

13442630623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919 (or 11890 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 13442630623 in words is "thirteen billion, four hundred forty-two million, six hundred thirty thousand, six hundred twenty-three".

Divisors: 1 23 29 59 667 841 1357 1711 11779 19343 39353 49619 270917 341591 694961 1141237 7856593 9906139 15984103 20153869 227841197 463538987 584462201 13442630623