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2080861145 = 511117132309
BaseRepresentation
bin111110000000111…
…0110101111011001
312101000111200212022
41330001312233121
513230200024040
6542252024225
7102365012366
oct17401665731
95330450768
102080861145
11978656860
124a0a62075
132721496ac
1415a50746d
15c2a366b5
hex7c076bd9

2080861145 has 16 divisors (see below), whose sum is σ = 2726447040. Its totient is φ = 1512014400.

The previous prime is 2080861141. The next prime is 2080861163. The reversal of 2080861145 is 5411680802.

It is not a de Polignac number, because 2080861145 - 22 = 2080861141 is a prime.

It is a super-2 number, since 2×20808611452 = 8659966209541422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2080861141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48251 + ... + 80559.

It is an arithmetic number, because the mean of its divisors is an integer number (170402940).

Almost surely, 22080861145 is an apocalyptic number.

It is an amenable number.

2080861145 is a deficient number, since it is larger than the sum of its proper divisors (645585895).

2080861145 is a wasteful number, since it uses less digits than its factorization.

2080861145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2080861145 is about 45616.4569536039. The cubic root of 2080861145 is about 1276.6769976993.

The spelling of 2080861145 in words is "two billion, eighty million, eight hundred sixty-one thousand, one hundred forty-five".

Divisors: 1 5 11 55 1171 5855 12881 32309 64405 161545 355399 1776995 37833839 189169195 416172229 2080861145