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1081343087 = 11731346629
BaseRepresentation
bin100000001110011…
…1111110001101111
32210100201220211222
41000130333301233
54203310434322
6255144533555
735540156516
oct10034776157
92710656758
101081343087
11505432080
122621812bb
1314304a9a6
14a388367d
1564dece42
hex4073fc6f

1081343087 has 8 divisors (see below), whose sum is σ = 1195807440. Its totient is φ = 969572160.

The previous prime is 1081343077. The next prime is 1081343101. The reversal of 1081343087 is 7803431801.

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 1081343087 - 210 = 1081342063 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 (1081343017) 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, 672512 + ... + 674117.

It is an arithmetic number, because the mean of its divisors is an integer number (149475930).

Almost surely, 21081343087 is an apocalyptic number.

1081343087 is a deficient number, since it is larger than the sum of its proper divisors (114464353).

1081343087 is a wasteful number, since it uses less digits than its factorization.

1081343087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346713.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1081343087 is about 32883.7815191623. The cubic root of 1081343087 is about 1026.4106967256.

Adding to 1081343087 its reverse (7803431801), we get a palindrome (8884774888).

The spelling of 1081343087 in words is "one billion, eighty-one million, three hundred forty-three thousand, eighty-seven".

Divisors: 1 11 73 803 1346629 14812919 98303917 1081343087