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57532754138 = 228766377069
BaseRepresentation
bin110101100101001110…
…000010100011011010
312111111120000201200212
4311211032002203122
51420311341113023
642232530331122
74104500225036
oct654516024332
9174446021625
1057532754138
11224438157a2
12b197729aa2
13556b5584b2
142adad2b1c6
15176ad46e78
hexd653828da

57532754138 has 4 divisors (see below), whose sum is σ = 86299131210. Its totient is φ = 28766377068.

The previous prime is 57532754119. The next prime is 57532754159. The reversal of 57532754138 is 83145723575.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40410246529 + 17122507609 = 201023^2 + 130853^2 .

It is a super-2 number, since 2×575327541382 (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 14383188533 + ... + 14383188536.

Almost surely, 257532754138 is an apocalyptic number.

57532754138 is a deficient number, since it is larger than the sum of its proper divisors (28766377072).

57532754138 is a wasteful number, since it uses less digits than its factorization.

57532754138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28766377071.

The product of its digits is 3528000, while the sum is 50.

The spelling of 57532754138 in words is "fifty-seven billion, five hundred thirty-two million, seven hundred fifty-four thousand, one hundred thirty-eight".

Divisors: 1 2 28766377069 57532754138