Base | Representation |
---|---|
bin | 100111101011100010… |
… | …0110101010011111000 |
3 | 22010221121211001120200 |
4 | 1033113010311103320 |
5 | 2344003430401000 |
6 | 103051324522200 |
7 | 6104436253503 |
oct | 1172704652370 |
9 | 263847731520 |
10 | 85212747000 |
11 | 33158413057 |
12 | 146216b0360 |
13 | 80600919b4 |
14 | 41a51ba13a |
15 | 233ae4b500 |
hex | 13d71354f8 |
85212747000 has 96 divisors (see below), whose sum is σ = 288019115280. Its totient is φ = 22723396800.
The previous prime is 85212746953. The next prime is 85212747001. The reversal of 85212747000 is 74721258.
It is a super-2 number, since 2×852127470002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85212747001) 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, 4725042 + ... + 4743041.
Almost surely, 285212747000 is an apocalyptic number.
It is an amenable number.
85212747000 is an abundant number, since it is smaller than the sum of its proper divisors (202806368280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85212747000 is a wasteful number, since it uses less digits than its factorization.
85212747000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9468110 (or 9468093 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The spelling of 85212747000 in words is "eighty-five billion, two hundred twelve million, seven hundred forty-seven thousand".
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