Base | Representation |
---|---|
bin | 100111101101010110… |
… | …0100010110101010000 |
3 | 22011002212010001120000 |
4 | 1033122230202311100 |
5 | 2344120003114340 |
6 | 103101334450000 |
7 | 6106104460200 |
oct | 1173254426520 |
9 | 264085101500 |
10 | 85273488720 |
11 | 33189730222 |
12 | 14639b03900 |
13 | 806c83b444 |
14 | 41ad2ac400 |
15 | 2341448d30 |
hex | 13dab22d50 |
85273488720 has 600 divisors, whose sum is σ = 346141559808. Its totient is φ = 19399564800.
The previous prime is 85273488691. The next prime is 85273488721. The reversal of 85273488720 is 2788437258.
85273488720 is a `hidden beast` number, since 8 + 527 + 3 + 48 + 8 + 72 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85273488721) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 86047425 + ... + 86048415.
Almost surely, 285273488720 is an apocalyptic number.
85273488720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85273488720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173070779904).
85273488720 is an abundant number, since it is smaller than the sum of its proper divisors (260868071088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85273488720 is a wasteful number, since it uses less digits than its factorization.
85273488720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1301 (or 1279 counting only the distinct ones).
The product of its (nonzero) digits is 6021120, while the sum is 54.
The spelling of 85273488720 in words is "eighty-five billion, two hundred seventy-three million, four hundred eighty-eight thousand, seven hundred twenty".
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