Base | Representation |
---|---|
bin | 100111110011010010… |
… | …1011110001010100101 |
3 | 22011121202110022100020 |
4 | 1033212211132022211 |
5 | 2400022034224224 |
6 | 103133222105353 |
7 | 6114046116450 |
oct | 1174645361245 |
9 | 264552408306 |
10 | 85472961189 |
11 | 33281292900 |
12 | 1469487b259 |
13 | 80a1c6c5a5 |
14 | 41cb994497 |
15 | 2353bebc79 |
hex | 13e695e2a5 |
85472961189 has 24 divisors (see below), whose sum is σ = 143161327680. Its totient is φ = 44401536960.
The previous prime is 85472961121. The next prime is 85472961191. The reversal of 85472961189 is 98116927458.
It is not a de Polignac number, because 85472961189 - 211 = 85472959141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85472961289) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16816224 + ... + 16821305.
It is an arithmetic number, because the mean of its divisors is an integer number (5965055320).
Almost surely, 285472961189 is an apocalyptic number.
It is an amenable number.
85472961189 is a deficient number, since it is larger than the sum of its proper divisors (57688366491).
85472961189 is a wasteful number, since it uses less digits than its factorization.
85472961189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33637561 (or 33637550 counting only the distinct ones).
The product of its digits is 8709120, while the sum is 60.
The spelling of 85472961189 in words is "eighty-five billion, four hundred seventy-two million, nine hundred sixty-one thousand, one hundred eighty-nine".
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