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85539310154 = 242769655077
BaseRepresentation
bin100111110101010001…
…0100100101001001010
322011210101022012000022
41033222202210221022
52400141030411104
6103143552140442
76115513065614
oct1175242445112
9264711265008
1085539310154
113330578a861
12146b2b37722
1380b293032c
1441d6705db4
152359955bbe
hex13ea8a4a4a

85539310154 has 4 divisors (see below), whose sum is σ = 128308965234. Its totient is φ = 42769655076.

The previous prime is 85539310151. The next prime is 85539310237. The reversal of 85539310154 is 45101393558.

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., 78049273129 + 7490037025 = 279373^2 + 86545^2 .

It is not an unprimeable number, because it can be changed into a prime (85539310151) by changing a digit.

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, 21384827537 + ... + 21384827540.

Almost surely, 285539310154 is an apocalyptic number.

85539310154 is a deficient number, since it is larger than the sum of its proper divisors (42769655080).

85539310154 is a wasteful number, since it uses less digits than its factorization.

85539310154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42769655079.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 85539310154 in words is "eighty-five billion, five hundred thirty-nine million, three hundred ten thousand, one hundred fifty-four".

Divisors: 1 2 42769655077 85539310154