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27942000495 = 35194312591811
BaseRepresentation
bin11010000001011110…
…010001011101101111
32200010022210200210020
4122001132101131233
5424211123003440
620500354013223
72006300041203
oct320136213557
980108720706
1027942000495
11109395925a2
1254b9877213
132833bc1506
1414d0db2b03
15ad810b3d0
hex68179176f

27942000495 has 64 divisors (see below), whose sum is σ = 48219494400. Its totient is φ = 13771175040.

The previous prime is 27942000469. The next prime is 27942000497. The reversal of 27942000495 is 59400024972.

It is not a de Polignac number, because 27942000495 - 213 = 27941992303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27942000497) 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 63 ways as a sum of consecutive naturals, for example, 15428140 + ... + 15429950.

It is an arithmetic number, because the mean of its divisors is an integer number (753429600).

Almost surely, 227942000495 is an apocalyptic number.

27942000495 is a deficient number, since it is larger than the sum of its proper divisors (20277493905).

27942000495 is a wasteful number, since it uses less digits than its factorization.

With its successor (27942000496) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (3140).

27942000495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 27942000495 in words is "twenty-seven billion, nine hundred forty-two million, four hundred ninety-five", and thus it is an aban number.

Divisors: 1 3 5 15 19 43 57 95 129 215 285 645 817 1259 1811 2451 3777 4085 5433 6295 9055 12255 18885 23921 27165 34409 54137 71763 77873 103227 119605 162411 172045 233619 270685 358815 389365 516135 812055 1028603 1168095 1479587 2280049 3085809 4438761 5143015 6840147 7397935 11400245 15429045 22193805 34200735 43320931 98042107 129962793 216604655 294126321 490210535 649813965 1470631605 1862800033 5588400099 9314000165 27942000495