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1080861330 = 235435315809
BaseRepresentation
bin100000001101100…
…1010001010010010
32210022211110000010
41000123022022102
54203200030310
6255130335350
735533112133
oct10033121222
92708743003
101080861330
1150513312a
12261b8a556
13142c0c623
14a3799c8a
1564d55320
hex406ca292

1080861330 has 64 divisors (see below), whose sum is σ = 2704648320. Its totient is φ = 276197376.

The previous prime is 1080861323. The next prime is 1080861361. The reversal of 1080861330 is 331680801.

It is a super-2 number, since 2×10808613302 = 2336522429378737800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60466 + ... + 76274.

It is an arithmetic number, because the mean of its divisors is an integer number (42260130).

Almost surely, 21080861330 is an apocalyptic number.

1080861330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080861330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352324160).

1080861330 is an abundant number, since it is smaller than the sum of its proper divisors (1623786990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1080861330 is a wasteful number, since it uses less digits than its factorization.

1080861330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15915.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1080861330 is about 32876.4555571309. The cubic root of 1080861330 is about 1026.2582461927.

The spelling of 1080861330 in words is "one billion, eighty million, eight hundred sixty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 53 86 106 129 159 215 258 265 318 430 530 645 795 1290 1590 2279 4558 6837 11395 13674 15809 22790 31618 34185 47427 68370 79045 94854 158090 237135 474270 679787 837877 1359574 1675754 2039361 2513631 3398935 4078722 4189385 5027262 6797870 8378770 10196805 12568155 20393610 25136310 36028711 72057422 108086133 180143555 216172266 360287110 540430665 1080861330