Search a number
-
+
381924573668 = 22118680103947
BaseRepresentation
bin1011000111011000111…
…10101000000111100100
31100111210222110120111022
411203230132220013210
522224140142324133
6451242001030312
736410306212031
oct5435436500744
91314728416438
10381924573668
11137a78513030
1262029925398
132a0278bc3c1
14146b1740388
159e04ae1998
hex58ec7a81e4

381924573668 has 12 divisors (see below), whose sum is σ = 729128731632. Its totient is φ = 173602078920.

The previous prime is 381924573659. The next prime is 381924573689. The reversal of 381924573668 is 866375429183.

It is a self number, because there is not a number n which added to its sum of digits gives 381924573668.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4340051930 + ... + 4340052017.

It is an arithmetic number, because the mean of its divisors is an integer number (60760727636).

Almost surely, 2381924573668 is an apocalyptic number.

It is an amenable number.

381924573668 is a deficient number, since it is larger than the sum of its proper divisors (347204157964).

381924573668 is a wasteful number, since it uses less digits than its factorization.

381924573668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680103962 (or 8680103960 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 381924573668 in words is "three hundred eighty-one billion, nine hundred twenty-four million, five hundred seventy-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 8680103947 17360207894 34720415788 95481143417 190962286834 381924573668