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12923749277 = 374179107839
BaseRepresentation
bin11000000100101000…
…01100001110011101
31020100200022111010122
430002110030032131
5202431434434102
65534224444325
7635156025215
oct140224141635
936320274118
1012923749277
11553213512a
1226081796a5
1312ac65502a
148a859b245
155098de0a2
hex30250c39d

12923749277 has 16 divisors (see below), whose sum is σ = 13769011200. Its totient is φ = 12112364160.

The previous prime is 12923749271. The next prime is 12923749303. The reversal of 12923749277 is 77294732921.

It is a cyclic number.

It is not a de Polignac number, because 12923749277 - 28 = 12923749021 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 (12923749271) 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, 65924 + ... + 173762.

It is an arithmetic number, because the mean of its divisors is an integer number (860563200).

Almost surely, 212923749277 is an apocalyptic number.

It is an amenable number.

12923749277 is a deficient number, since it is larger than the sum of its proper divisors (845261923).

12923749277 is a wasteful number, since it uses less digits than its factorization.

12923749277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107996.

The product of its digits is 2667168, while the sum is 53.

The spelling of 12923749277 in words is "twelve billion, nine hundred twenty-three million, seven hundred forty-nine thousand, two hundred seventy-seven".

Divisors: 1 37 41 79 1517 2923 3239 107839 119843 3990043 4421399 8519281 163591763 315213397 349290521 12923749277