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5047081215 = 351122780761
BaseRepresentation
bin1001011001101010…
…00101100011111111
3111000201222021211220
410230311011203333
540314023044330
62152452244423
7236033324331
oct45465054377
914021867756
105047081215
11215aa44900
12b8a310713
136258345b7
1435c439451
151e8156710
hex12cd458ff

5047081215 has 24 divisors (see below), whose sum is σ = 8876192304. Its totient is φ = 2447068800.

The previous prime is 5047081211. The next prime is 5047081241. The reversal of 5047081215 is 5121807405.

It is not a de Polignac number, because 5047081215 - 22 = 5047081211 is a prime.

It is a super-3 number, since 3×50470812153 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047081211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1388566 + ... + 1392195.

It is an arithmetic number, because the mean of its divisors is an integer number (369841346).

Almost surely, 25047081215 is an apocalyptic number.

5047081215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5047081215 is a deficient number, since it is larger than the sum of its proper divisors (3829111089).

5047081215 is a wasteful number, since it uses less digits than its factorization.

5047081215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780791 (or 2780780 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 5047081215 is about 71042.8125498984. The cubic root of 5047081215 is about 1715.3263710336.

The spelling of 5047081215 in words is "five billion, forty-seven million, eighty-one thousand, two hundred fifteen".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1815 2780761 8342283 13903805 30588371 41711415 91765113 152941855 336472081 458825565 1009416243 1682360405 5047081215