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1080825065 = 51725749477
BaseRepresentation
bin100000001101100…
…0001010011101001
32210022202121020222
41000123001103221
54203142400230
6255125455425
735532601325
oct10033012351
92708677228
101080825065
11505108961
12261b71575
13142bc8c78
14a378a985
1564d496e5
hex406c14e9

1080825065 has 16 divisors (see below), whose sum is σ = 1378654992. Its totient is φ = 810614784.

The previous prime is 1080824981. The next prime is 1080825077. The reversal of 1080825065 is 5605280801.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 72318016 + 1008507049 = 8504^2 + 31757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080825065 - 212 = 1080820969 is a prime.

It is a super-2 number, since 2×10808250652 = 2336365642264508450, which contains 22 as substring.

It is a Duffinian 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, 2894 + ... + 46583.

It is an arithmetic number, because the mean of its divisors is an integer number (86165937).

Almost surely, 21080825065 is an apocalyptic number.

It is an amenable number.

1080825065 is a deficient number, since it is larger than the sum of its proper divisors (297829927).

1080825065 is a wasteful number, since it uses less digits than its factorization.

1080825065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49756.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 1080825065 is about 32875.9040179886. The cubic root of 1080825065 is about 1026.2467684109.

The spelling of 1080825065 in words is "one billion, eighty million, eight hundred twenty-five thousand, sixty-five".

Divisors: 1 5 17 85 257 1285 4369 21845 49477 247385 841109 4205545 12715589 63577945 216165013 1080825065