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380689563938 = 2617308500457
BaseRepresentation
bin1011000101000101101…
…11011100000100100010
31100101121220120120122012
411202202313130010202
522214123012021223
6450515242312522
736334561621415
oct5424267340442
91311556516565
10380689563938
111374a4374a32
12619441b8742
1329b8ba8a908
14145d56d9b7c
159d8148cc78
hex58a2ddc122

380689563938 has 8 divisors (see below), whose sum is σ = 571959849132. Its totient is φ = 190036280896.

The previous prime is 380689563929. The next prime is 380689563949. The reversal of 380689563938 is 839365986083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 369363709009 + 11325854929 = 607753^2 + 106423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154248995 + ... + 154251462.

Almost surely, 2380689563938 is an apocalyptic number.

380689563938 is a deficient number, since it is larger than the sum of its proper divisors (191270285194).

380689563938 is a wasteful number, since it uses less digits than its factorization.

380689563938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308501076.

The product of its (nonzero) digits is 201553920, while the sum is 68.

The spelling of 380689563938 in words is "three hundred eighty billion, six hundred eighty-nine million, five hundred sixty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 617 1234 308500457 617000914 190344781969 380689563938