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511120084 = 22127780021
BaseRepresentation
bin11110011101110…
…001001011010100
31022121202120221111
4132131301023110
52021321320314
6122415024404
715444310006
oct3635611324
91277676844
10511120084
112425720a2
1212320b104
1381b79727
144bc4c376
152ed12ec4
hex1e7712d4

511120084 has 6 divisors (see below), whose sum is σ = 894460154. Its totient is φ = 255560040.

The previous prime is 511120081. The next prime is 511120117. The reversal of 511120084 is 480021115.

It can be written as a sum of positive squares in only one way, i.e., 469155600 + 41964484 = 21660^2 + 6478^2 .

It is a super-2 number, since 2×5111200842 = 522487480536334112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511120081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63890007 + ... + 63890014.

Almost surely, 2511120084 is an apocalyptic number.

It is an amenable number.

511120084 is a deficient number, since it is larger than the sum of its proper divisors (383340070).

511120084 is a wasteful number, since it uses less digits than its factorization.

511120084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127780025 (or 127780023 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 511120084 is about 22607.9650565901. The cubic root of 511120084 is about 799.5414476290.

Adding to 511120084 its reverse (480021115), we get a palindrome (991141199).

The spelling of 511120084 in words is "five hundred eleven million, one hundred twenty thousand, eighty-four".

Divisors: 1 2 4 127780021 255560042 511120084