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384225969087 = 32373217358667
BaseRepresentation
bin1011001011101011010…
…01110000001110111111
31100201202100221120111200
411211311221300032333
522243343322002322
6452302211550543
736521322564462
oct5456551601677
91321670846450
10384225969087
11138a495a7514
12625705bb453
132a30363273c
141484d2532d9
159edbb8b8ac
hex5975a703bf

384225969087 has 24 divisors (see below), whose sum is σ = 570171650256. Its totient is φ = 249149488896.

The previous prime is 384225969077. The next prime is 384225969143. The reversal of 384225969087 is 780969522483.

384225969087 is a `hidden beast` number, since 38 + 4 + 2 + 2 + 596 + 9 + 0 + 8 + 7 = 666.

It is not a de Polignac number, because 384225969087 - 224 = 384209191871 is a prime.

It is a super-2 number, since 2×3842259690872 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384225969067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891928 + ... + 1250594.

It is an arithmetic number, because the mean of its divisors is an integer number (23757152094).

Almost surely, 2384225969087 is an apocalyptic number.

384225969087 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

384225969087 is a deficient number, since it is larger than the sum of its proper divisors (185945681169).

384225969087 is a wasteful number, since it uses less digits than its factorization.

384225969087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361927 (or 361924 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 384225969087 in words is "three hundred eighty-four billion, two hundred twenty-five million, nine hundred sixty-nine thousand, eighty-seven".

Divisors: 1 3 9 37 111 333 3217 9651 28953 119029 357087 358667 1071261 1076001 3228003 13270679 39812037 119436111 1153831739 3461495217 10384485651 42691774343 128075323029 384225969087