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1082090009 = 711131517159
BaseRepresentation
bin100000001111111…
…0110001000011001
32210102010212102202
41000133312020121
54204003340014
6255212535545
735546420240
oct10037661031
92712125382
101082090009
115058a2270
122624815b5
1314324c960
14a39d9957
1564ee93de
hex407f6219

1082090009 has 32 divisors (see below), whose sum is σ = 1462702080. Its totient is φ = 773064000.

The previous prime is 1082090003. The next prime is 1082090011. The reversal of 1082090009 is 9000902801.

It is a cyclic number.

It is not a de Polignac number, because 1082090009 - 212 = 1082085913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1082090003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147572 + ... + 154730.

It is an arithmetic number, because the mean of its divisors is an integer number (45709440).

Almost surely, 21082090009 is an apocalyptic number.

It is an amenable number.

1082090009 is a deficient number, since it is larger than the sum of its proper divisors (380612071).

1082090009 is a wasteful number, since it uses less digits than its factorization.

1082090009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1082090009 is about 32895.1365554241. The cubic root of 1082090009 is about 1026.6469684172.

The spelling of 1082090009 in words is "one billion, eighty-two million, ninety thousand, nine".

Divisors: 1 7 11 13 77 91 143 151 1001 1057 1661 1963 7159 11627 13741 21593 50113 78749 93067 151151 551243 651469 1023737 1081009 7166159 7567063 11891099 14053117 83237693 98371819 154584287 1082090009