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13122333653 = 1113531731407
BaseRepresentation
bin11000011100010011…
…01110101111010101
31020212111222121200112
430032021232233111
5203333304134103
610010041052405
7643116665342
oct141611565725
936774877615
1013122333653
115624240550
122662787105
131311834b90
148c6ad17c9
1551c068cd8
hex30e26ebd5

13122333653 has 16 divisors (see below), whose sum is σ = 15707333376. Its totient is φ = 10803973440.

The previous prime is 13122333649. The next prime is 13122333659. The reversal of 13122333653 is 35633322131.

It is not a de Polignac number, because 13122333653 - 22 = 13122333649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122333659) 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 15 ways as a sum of consecutive naturals, for example, 858125 + ... + 873282.

It is an arithmetic number, because the mean of its divisors is an integer number (981708336).

Almost surely, 213122333653 is an apocalyptic number.

13122333653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13122333653 is a deficient number, since it is larger than the sum of its proper divisors (2584999723).

13122333653 is a wasteful number, since it uses less digits than its factorization.

13122333653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731484.

The product of its digits is 29160, while the sum is 32.

Adding to 13122333653 its reverse (35633322131), we get a palindrome (48755655784).

The spelling of 13122333653 in words is "thirteen billion, one hundred twenty-two million, three hundred thirty-three thousand, six hundred fifty-three".

Divisors: 1 11 13 53 143 583 689 7579 1731407 19045477 22508291 91764571 247591201 1009410281 1192939423 13122333653