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2687881411 = 67277144829
BaseRepresentation
bin1010000000110101…
…1101000011000011
320221022201112010101
42200031131003003
521001044201121
61122414343231
7123415420645
oct24015350303
96838645111
102687881411
11115a26a0a6
126301bab17
1333ab32797
141b6d9a895
1510ae8e491
hexa035d0c3

2687881411 has 8 divisors (see below), whose sum is σ = 2737866320. Its totient is φ = 2638186848.

The previous prime is 2687881351. The next prime is 2687881423. The reversal of 2687881411 is 1141887862.

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 2687881411 - 217 = 2687750339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2687881111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53856 + ... + 90973.

It is an arithmetic number, because the mean of its divisors is an integer number (342233290).

Almost surely, 22687881411 is an apocalyptic number.

2687881411 is a deficient number, since it is larger than the sum of its proper divisors (49984909).

2687881411 is a wasteful number, since it uses less digits than its factorization.

2687881411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145173.

The product of its digits is 172032, while the sum is 46.

The square root of 2687881411 is about 51844.7819071505. The cubic root of 2687881411 is about 1390.3902103065.

The spelling of 2687881411 in words is "two billion, six hundred eighty-seven million, eight hundred eighty-one thousand, four hundred eleven".

Divisors: 1 67 277 18559 144829 9703543 40117633 2687881411