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1080851816 = 231155722051
BaseRepresentation
bin100000001101100…
…0111110101101000
32210022210221221202
41000123013311220
54203144224231
6255130223332
735533042322
oct10033076550
92708727852
101080851816
11505126a70
12261b84b48
13142c081b5
14a3796612
1564d525cb
hex406c7d68

1080851816 has 32 divisors (see below), whose sum is σ = 2214902880. Its totient is φ = 490392000.

The previous prime is 1080851771. The next prime is 1080851819. The reversal of 1080851816 is 6181580801.

It is a self number, because there is not a number n which added to its sum of digits gives 1080851816.

It is not an unprimeable number, because it can be changed into a prime (1080851819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37991 + ... + 60041.

It is an arithmetic number, because the mean of its divisors is an integer number (69215715).

Almost surely, 21080851816 is an apocalyptic number.

It is an amenable number.

1080851816 is an abundant number, since it is smaller than the sum of its proper divisors (1134051064).

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

1080851816 is a wasteful number, since it uses less digits than its factorization.

1080851816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22625 (or 22621 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 38.

The square root of 1080851816 is about 32876.3108635990. The cubic root of 1080851816 is about 1026.2552350604.

It can be divided in two parts, 108085 and 1816, that added together give a palindrome (109901).

The spelling of 1080851816 in words is "one billion, eighty million, eight hundred fifty-one thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 22 44 88 557 1114 2228 4456 6127 12254 22051 24508 44102 49016 88204 176408 242561 485122 970244 1940488 12282407 24564814 49129628 98259256 135106477 270212954 540425908 1080851816