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1081229086 = 27198214951
BaseRepresentation
bin100000001110010…
…0011111100011110
32210100112010110201
41000130203330132
54203243312321
6255142254114
735536203250
oct10034437436
92710463421
101081229086
11505364463
1226212733a
1314300ab32
14a3853cd0
1564dc9291
hex40723f1e

1081229086 has 32 divisors (see below), whose sum is σ = 1953861120. Its totient is φ = 438372000.

The previous prime is 1081229077. The next prime is 1081229089. The reversal of 1081229086 is 6809221801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081229089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215911 + ... + 220861.

It is an arithmetic number, because the mean of its divisors is an integer number (61058160).

Almost surely, 21081229086 is an apocalyptic number.

1081229086 is a deficient number, since it is larger than the sum of its proper divisors (872632034).

1081229086 is a wasteful number, since it uses less digits than its factorization.

1081229086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1081229086 is about 32882.0480809818. The cubic root of 1081229086 is about 1026.3746255472.

The spelling of 1081229086 in words is "one billion, eighty-one million, two hundred twenty-nine thousand, eighty-six".

Divisors: 1 2 7 14 19 38 133 266 821 1642 4951 5747 9902 11494 15599 31198 34657 69314 94069 109193 188138 218386 658483 1316966 4064771 8129542 28453397 56906794 77230649 154461298 540614543 1081229086