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3081081160 = 235677113777
BaseRepresentation
bin1011011110100101…
…1001000101001000
321221201121010210001
42313221121011020
522302224044120
61225422132344
7136231520623
oct26751310510
97851533701
103081081160
11134120a973
1271ba210b4
133a1432a61
142132b0dba
1513075ce0a
hexb7a59148

3081081160 has 32 divisors (see below), whose sum is σ = 6942733560. Its totient is φ = 1230601216.

The previous prime is 3081081149. The next prime is 3081081163. The reversal of 3081081160 is 611801803.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2394536356 + 686544804 = 48934^2 + 26202^2 .

It is a super-2 number, since 2×30810811602 = 18986122229013891200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3081081163) 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, 29809 + ... + 83968.

Almost surely, 23081081160 is an apocalyptic number.

It is an amenable number.

3081081160 is an abundant number, since it is smaller than the sum of its proper divisors (3861652400).

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

3081081160 is a wasteful number, since it uses less digits than its factorization.

3081081160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114465 (or 114461 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 3081081160 is about 55507.4874228694. The cubic root of 3081081160 is about 1455.1274924399.

Adding to 3081081160 its reverse (611801803), we get a palindrome (3692882963).

The spelling of 3081081160 in words is "three billion, eighty-one million, eighty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 677 1354 2708 3385 5416 6770 13540 27080 113777 227554 455108 568885 910216 1137770 2275540 4551080 77027029 154054058 308108116 385135145 616216232 770270290 1540540580 3081081160