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27240748131 = 341221469497
BaseRepresentation
bin11001010111101011…
…001101010001100011
32121022110021101101110
4121113223031101203
5421242112420011
620303023434403
71653023352522
oct312753152143
977273241343
1027240748131
1110609768293
125342a55a03
13275183409c
141465bd04b9
15a9678cba6
hex657acd463

27240748131 has 8 divisors (see below), whose sum is σ = 37206875664. Its totient is φ = 17717559680.

The previous prime is 27240748121. The next prime is 27240748181. The reversal of 27240748131 is 13184704272.

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 27240748131 - 211 = 27240746083 is a prime.

It is a super-2 number, since 2×272407481312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27240748131.

It is not an unprimeable number, because it can be changed into a prime (27240748121) 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 7 ways as a sum of consecutive naturals, for example, 110734626 + ... + 110734871.

It is an arithmetic number, because the mean of its divisors is an integer number (4650859458).

Almost surely, 227240748131 is an apocalyptic number.

27240748131 is a deficient number, since it is larger than the sum of its proper divisors (9966127533).

27240748131 is a wasteful number, since it uses less digits than its factorization.

27240748131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221469541.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 27240748131 in words is "twenty-seven billion, two hundred forty million, seven hundred forty-eight thousand, one hundred thirty-one".

Divisors: 1 3 41 123 221469497 664408491 9080249377 27240748131