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10801080064 = 28271155689
BaseRepresentation
bin10100000111100101…
…10110011100000000
31000212202010201101101
422003302312130000
5134110034030224
64543440344144
7531442444225
oct120362663400
930782121341
1010801080064
114642a23355
122115315054
13103195ab48
147466cd94c
1543339a044
hex283cb6700

10801080064 has 36 divisors (see below), whose sum is σ = 21639664480. Its totient is φ = 5380577280.

The previous prime is 10801080061. The next prime is 10801080079. The reversal of 10801080064 is 46008010801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10801080061) 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, 8469 + ... + 147220.

Almost surely, 210801080064 is an apocalyptic number.

It is an amenable number.

10801080064 is an abundant number, since it is smaller than the sum of its proper divisors (10838584416).

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

10801080064 is an equidigital number, since it uses as much as digits as its factorization.

10801080064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155976 (or 155962 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 10801080064 its reverse (46008010801), we get a palindrome (56809090865).

The spelling of 10801080064 in words is "ten billion, eight hundred one million, eighty thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 271 542 1084 2168 4336 8672 17344 34688 69376 155689 311378 622756 1245512 2491024 4982048 9964096 19928192 39856384 42191719 84383438 168766876 337533752 675067504 1350135008 2700270016 5400540032 10801080064