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1080969856 = 279079311
BaseRepresentation
bin100000001101110…
…0100101010000000
32210100000221212121
41000123210222000
54203212013411
6255132534024
735534043421
oct10033445200
92710027777
101080969856
115051a771a
12262021314
13142c49b45
14a37c7648
1564d77571
hex406e4a80

1080969856 has 32 divisors (see below), whose sum is σ = 2156100480. Its totient is φ = 539831040.

The previous prime is 1080969853. The next prime is 1080969863. The reversal of 1080969856 is 6589690801.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1080969853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111441 + ... + 120751.

It is an arithmetic number, because the mean of its divisors is an integer number (67378140).

Almost surely, 21080969856 is an apocalyptic number.

1080969856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1080969856 is a deficient number, since it is larger than the sum of its proper divisors (1075130624).

1080969856 is an frugal number, since it uses more digits than its factorization.

1080969856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232 (or 10220 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 1080969856 is about 32878.1060281763. The cubic root of 1080969856 is about 1026.2925928667.

The spelling of 1080969856 in words is "one billion, eighty million, nine hundred sixty-nine thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 128 907 1814 3628 7256 9311 14512 18622 29024 37244 58048 74488 116096 148976 297952 595904 1191808 8445077 16890154 33780308 67560616 135121232 270242464 540484928 1080969856