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389769734938 = 22273500917117
BaseRepresentation
bin1011010110000000001…
…01100010101100011010
31101021001201112001120211
411223000011202230122
522341222023004223
6455020250041334
740105600040233
oct5530005425432
91337051461524
10389769734938
11140333943891
126365911924a
132a9a802b06c
1414c1762008a
15a213703d0d
hex5ac0162b1a

389769734938 has 16 divisors (see below), whose sum is σ = 585062769960. Its totient is φ = 194748860416.

The previous prime is 389769734903. The next prime is 389769734947. The reversal of 389769734938 is 839437967983.

It can be written as a sum of positive squares in 4 ways, for example, as 280098153049 + 109671581889 = 529243^2 + 331167^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22762356 + ... + 22779472.

Almost surely, 2389769734938 is an apocalyptic number.

389769734938 is a deficient number, since it is larger than the sum of its proper divisors (195293035022).

389769734938 is a wasteful number, since it uses less digits than its factorization.

389769734938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401.

The product of its digits is 1481421312, while the sum is 76.

The spelling of 389769734938 in words is "three hundred eighty-nine billion, seven hundred sixty-nine million, seven hundred thirty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 2273 4546 5009 10018 17117 34234 11385457 22770914 38906941 77813882 85739053 171478106 194884867469 389769734938