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5181383384 = 234338812
BaseRepresentation
bin1001101001101010…
…11010001011011000
3111101002200112210022
410310311122023120
541102413232014
62214051010012
7242254014002
oct46465321330
914332615708
105181383384
112219835031
121007299908
136475c8338
143721d9372
15204d34a8e
hex134d5a2d8

5181383384 has 24 divisors (see below), whose sum is σ = 9943588380. Its totient is φ = 2529791040.

The previous prime is 5181383381. The next prime is 5181383407. The reversal of 5181383384 is 4833831815.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181383381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1333124 + ... + 1337004.

Almost surely, 25181383384 is an apocalyptic number.

It is an amenable number.

5181383384 is a deficient number, since it is larger than the sum of its proper divisors (4762204996).

5181383384 is an frugal number, since it uses more digits than its factorization.

5181383384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811 (or 3926 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 5181383384 is about 71981.8267620377. The cubic root of 5181383384 is about 1730.4082460647.

The spelling of 5181383384 in words is "five billion, one hundred eighty-one million, three hundred eighty-three thousand, three hundred eighty-four".

Divisors: 1 2 4 8 43 86 172 344 3881 7762 15524 31048 166883 333766 667532 1335064 15062161 30124322 60248644 120497288 647672923 1295345846 2590691692 5181383384