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12900091117 = 431511986769
BaseRepresentation
bin11000000001110011…
…11100010011101101
31020022000210112020111
430000321330103231
5202404410403432
65532021420021
7634450652044
oct140071742355
936260715214
1012900091117
11551a846431
12260026a611
1312a7790814
148a539d55b
155077b9347
hex300e7c4ed

12900091117 has 8 divisors (see below), whose sum is σ = 13287517760. Its totient is φ = 12516638400.

The previous prime is 12900091103. The next prime is 12900091123. The reversal of 12900091117 is 71119000921.

It is a happy number.

12900091117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12900091117 - 215 = 12900058349 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 (12900091417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986892 + ... + 999877.

It is an arithmetic number, because the mean of its divisors is an integer number (1660939720).

Almost surely, 212900091117 is an apocalyptic number.

It is an amenable number.

12900091117 is a deficient number, since it is larger than the sum of its proper divisors (387426643).

12900091117 is a wasteful number, since it uses less digits than its factorization.

12900091117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986963.

The product of its (nonzero) digits is 1134, while the sum is 31.

The spelling of 12900091117 in words is "twelve billion, nine hundred million, ninety-one thousand, one hundred seventeen".

Divisors: 1 43 151 6493 1986769 85431067 300002119 12900091117