Base | Representation |
---|---|
bin | 10011010101100011010000… |
… | …010100011101000110110111 |
3 | 102011010010000221202010010210 |
4 | 103111203100110131012313 |
5 | 42121324244423440311 |
6 | 500512334300520503 |
7 | 23625133551260355 |
oct | 2325432024350667 |
9 | 364103027663123 |
10 | 85043847483831 |
11 | 251089908a8245 |
12 | 9656098550133 |
13 | 385b7a612a192 |
14 | 17002038ba7d5 |
15 | 9c72bb7dc3a6 |
hex | 4d58d051d1b7 |
85043847483831 has 32 divisors (see below), whose sum is σ = 114544703881728. Its totient is φ = 56120326986240.
The previous prime is 85043847483731. The next prime is 85043847483857. The reversal of 85043847483831 is 13838474834058.
It is not a de Polignac number, because 85043847483831 - 211 = 85043847481783 is a prime.
It is a super-2 number, since 2×850438474838312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85043847483731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2068518531 + ... + 2068559643.
It is an arithmetic number, because the mean of its divisors is an integer number (3579521996304).
Almost surely, 285043847483831 is an apocalyptic number.
85043847483831 is a deficient number, since it is larger than the sum of its proper divisors (29500856397897).
85043847483831 is a wasteful number, since it uses less digits than its factorization.
85043847483831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46311.
The product of its (nonzero) digits is 247726080, while the sum is 66.
The spelling of 85043847483831 in words is "eighty-five trillion, forty-three billion, eight hundred forty-seven million, four hundred eighty-three thousand, eight hundred thirty-one".
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