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13035050131261 = 431075035632387
BaseRepresentation
bin1011110110101111010110…
…0010000101111100111101
31201011010202001111200101011
42331223311202011330331
53202031240313200021
643420115214315221
72513515456660114
oct275536542057475
951133661450334
1013035050131261
114176151a81124
121566343ab8b11
1373727a3b2162
14330c85060c7b
1517911181ade1
hexbdaf5885f3d

13035050131261 has 16 divisors (see below), whose sum is σ = 13489614319104. Its totient is φ = 12587842000944.

The previous prime is 13035050131253. The next prime is 13035050131283. The reversal of 13035050131261 is 16213105053031.

It is a cyclic number.

It is not a de Polignac number, because 13035050131261 - 23 = 13035050131253 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 (13035050131231) 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, 501891 + ... + 5130496.

It is an arithmetic number, because the mean of its divisors is an integer number (843100894944).

Almost surely, 213035050131261 is an apocalyptic number.

It is an amenable number.

13035050131261 is a deficient number, since it is larger than the sum of its proper divisors (454564187843).

13035050131261 is a wasteful number, since it uses less digits than its factorization.

13035050131261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633040.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 13035050131261 its reverse (16213105053031), we get a palindrome (29248155184292).

The spelling of 13035050131261 in words is "thirteen trillion, thirty-five billion, fifty million, one hundred thirty-one thousand, two hundred sixty-one".

Divisors: 1 43 107 503 4601 21629 53821 2314303 5632387 242192641 602665409 2833090661 25914612587 121822898423 303140700727 13035050131261