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380371865217 = 31751971435111
BaseRepresentation
bin1011000100011111110…
…11100000111010000001
31100100210202202210220220
411202033323200322001
522213000144141332
6450423533053253
736323653336161
oct5421773407201
91310722683826
10380371865217
11137351002203
1261875927229
1329b3b003cc6
14145a543a5a1
159d63634d2c
hex588fee0e81

380371865217 has 16 divisors (see below), whose sum is σ = 537099276672. Its totient is φ = 238618609920.

The previous prime is 380371865201. The next prime is 380371865261. The reversal of 380371865217 is 712568173083.

It is not a de Polignac number, because 380371865217 - 24 = 380371865201 is a prime.

It is a super-2 number, since 2×3803718652172 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 380371865217.

It is not an unprimeable number, because it can be changed into a prime (380371865617) 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 15 ways as a sum of consecutive naturals, for example, 452509 + ... + 982602.

It is an arithmetic number, because the mean of its divisors is an integer number (33568704792).

Almost surely, 2380371865217 is an apocalyptic number.

It is an amenable number.

380371865217 is a deficient number, since it is larger than the sum of its proper divisors (156727411455).

380371865217 is a wasteful number, since it uses less digits than its factorization.

380371865217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440328.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 380371865217 in words is "three hundred eighty billion, three hundred seventy-one million, eight hundred sixty-five thousand, two hundred seventeen".

Divisors: 1 3 17 51 5197 15591 88349 265047 1435111 4305333 24396887 73190661 7458271867 22374815601 126790621739 380371865217