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1527138068287 = 13919912770101
BaseRepresentation
bin10110001110010000100…
…001011010011100111111
312101222210212200211211211
4112032100201122130333
5200010034321141122
63125320232425251
7215221622255116
oct26162041323477
95358725624754
101527138068287
115397236997a7
12207b77548227
13b10158a9190
1453cb196cc7d
1529aceb03877
hex1639085a73f

1527138068287 has 8 divisors (see below), whose sum is σ = 1644789137600. Its totient is φ = 1409512557600.

The previous prime is 1527138068243. The next prime is 1527138068317. The reversal of 1527138068287 is 7828608317251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1527138068287 is a prime.

It is a super-2 number, since 2×15271380682872 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1527138068987) 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, 6265464 + ... + 6504637.

It is an arithmetic number, because the mean of its divisors is an integer number (205598642200).

Almost surely, 21527138068287 is an apocalyptic number.

1527138068287 is a deficient number, since it is larger than the sum of its proper divisors (117651069313).

1527138068287 is a wasteful number, since it uses less digits than its factorization.

1527138068287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779313.

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 1527138068287 in words is "one trillion, five hundred twenty-seven billion, one hundred thirty-eight million, sixty-eight thousand, two hundred eighty-seven".

Divisors: 1 13 9199 119587 12770101 166011313 117472159099 1527138068287