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1080913920 = 2123573241
BaseRepresentation
bin100000001101101…
…0111000000000000
32210022221010010220
41000123113000000
54203203221140
6255131423040
735533421352
oct10033270000
92708833126
101080913920
11505169699
12261bb4a80
13142c2a548
14a37b10d2
1564d65bd0
hex406d7000

1080913920 has 208 divisors, whose sum is σ = 3520426272. Its totient is φ = 283115520.

The previous prime is 1080913913. The next prime is 1080913949. The reversal of 1080913920 is 293190801.

1080913920 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485000 + ... + 4485240.

Almost surely, 21080913920 is an apocalyptic number.

1080913920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080913920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760213136).

1080913920 is an abundant number, since it is smaller than the sum of its proper divisors (2439512352).

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

1080913920 is an equidigital number, since it uses as much as digits as its factorization.

1080913920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1080913920 is about 32877.2553598989. The cubic root of 1080913920 is about 1026.2748903401.

The spelling of 1080913920 in words is "one billion, eighty million, nine hundred thirteen thousand, nine hundred twenty".