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1081293117 = 3617584167
BaseRepresentation
bin100000001110011…
…0011100100111101
32210100122101022020
41000130303210331
54203302334432
6255143510353
735536561032
oct10034634475
92710571266
101081293117
115053a8583
122621583b9
13143031018
14a386d389
1564ddd22c
hex4073393d

1081293117 has 8 divisors (see below), whose sum is σ = 1444063296. Its totient is φ = 719692512.

The previous prime is 1081293091. The next prime is 1081293127. The reversal of 1081293117 is 7113921801.

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

It is not a de Polignac number, because 1081293117 - 214 = 1081276733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081293127) 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, 290233 + ... + 293934.

It is an arithmetic number, because the mean of its divisors is an integer number (180507912).

Almost surely, 21081293117 is an apocalyptic number.

It is an amenable number.

1081293117 is a deficient number, since it is larger than the sum of its proper divisors (362770179).

1081293117 is an equidigital number, since it uses as much as digits as its factorization.

1081293117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584787.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 1081293117 is about 32883.0217133402. The cubic root of 1081293117 is about 1026.3948859765.

The spelling of 1081293117 in words is "one billion, eighty-one million, two hundred ninety-three thousand, one hundred seventeen".

Divisors: 1 3 617 1851 584167 1752501 360431039 1081293117