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13057171338 = 234366149843
BaseRepresentation
bin11000010100100010…
…01001111110001010
31020200222101000210110
430022101021332022
5203220113440323
65555352255150
7641366060631
oct141221117612
936628330713
1013057171338
1155a04840a2
1226449a14b6
13130119b2b3
148bc1ac518
15516496793
hex30a449f8a

13057171338 has 16 divisors (see below), whose sum is σ = 26115464736. Its totient is φ = 4352203440.

The previous prime is 13057171333. The next prime is 13057171339. The reversal of 13057171338 is 83317175031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13057171296 and 13057171305.

It is not an unprimeable number, because it can be changed into a prime (13057171331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237045 + ... + 286887.

It is an arithmetic number, because the mean of its divisors is an integer number (1632216546).

Almost surely, 213057171338 is an apocalyptic number.

13057171338 is an abundant number, since it is smaller than the sum of its proper divisors (13058293398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13057171338 is a wasteful number, since it uses less digits than its factorization.

13057171338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93509.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 13057171338 in words is "thirteen billion, fifty-seven million, one hundred seventy-one thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 43661 49843 87322 99686 130983 149529 261966 299058 2176195223 4352390446 6528585669 13057171338