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8394354534938 = 2101241172432409
BaseRepresentation
bin111101000100111011010…
…0001010010101000011010
31002201111022000000102200112
41322021312201102220122
52100013114230104223
625504151354204322
71524320634154361
oct172116641225032
932644260012615
108394354534938
112747031327129
12b36a704236a2
1348b779749b18
14210408b607d8
15e8552e08778
hex7a276852a1a

8394354534938 has 16 divisors (see below), whose sum is σ = 12768964825320. Its totient is φ = 4138377792000.

The previous prime is 8394354534931. The next prime is 8394354534941.

8394354534938 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8264802770449 + 129551764489 = 2874857^2 + 359933^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8394354534931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86167523 + ... + 86264886.

Almost surely, 28394354534938 is an apocalyptic number.

8394354534938 is a deficient number, since it is larger than the sum of its proper divisors (4374610290382).

8394354534938 is a wasteful number, since it uses less digits than its factorization.

8394354534938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172432753.

The product of its digits is 671846400, while the sum is 68.

The spelling of 8394354534938 in words is "eight trillion, three hundred ninety-four billion, three hundred fifty-four million, five hundred thirty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 101 202 241 482 24341 48682 172432409 344864818 17415673309 34831346618 41556210569 83112421138 4197177267469 8394354534938