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12011348847 = 329138061481
BaseRepresentation
bin10110010111110111…
…01010001101101111
31011000002110202001010
423023323222031233
5144044401130342
65303512520303
7603436531521
oct131373521557
934002422033
1012011348847
115104103193
1223b26b0093
131195609314
1481d333a11
154a476329c
hex2cbeea36f

12011348847 has 8 divisors (see below), whose sum is σ = 16567377840. Its totient is φ = 7731442880.

The previous prime is 12011348831. The next prime is 12011348897. The reversal of 12011348847 is 74884311021.

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 12011348847 - 24 = 12011348831 is a prime.

It is a super-2 number, since 2×120113488472 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011348897) 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, 69030654 + ... + 69030827.

It is an arithmetic number, because the mean of its divisors is an integer number (2070922230).

Almost surely, 212011348847 is an apocalyptic number.

12011348847 is a deficient number, since it is larger than the sum of its proper divisors (4556028993).

12011348847 is a wasteful number, since it uses less digits than its factorization.

12011348847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138061513.

The product of its (nonzero) digits is 43008, while the sum is 39.

Adding to 12011348847 its reverse (74884311021), we get a palindrome (86895659868).

The spelling of 12011348847 in words is "twelve billion, eleven million, three hundred forty-eight thousand, eight hundred forty-seven".

Divisors: 1 3 29 87 138061481 414184443 4003782949 12011348847