Base | Representation |
---|---|
bin | 11001010100111000111… |
… | …00000110110110000000 |
3 | 10002012011021220001120122 |
4 | 30222130130012312000 |
5 | 103224141222220202 |
6 | 1503433521355412 |
7 | 116604365006462 |
oct | 14523434066600 |
9 | 3065137801518 |
10 | 870208007552 |
11 | 306064808a34 |
12 | 12079aa98b68 |
13 | 640a2523000 |
14 | 30192846132 |
15 | 17981cde9a2 |
hex | ca9c706d80 |
870208007552 has 128 divisors (see below), whose sum is σ = 1880185910400. Its totient is φ = 401171496960.
The previous prime is 870208007521. The next prime is 870208007563. The reversal of 870208007552 is 255700802078.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 418167152 + ... + 418169232.
It is an arithmetic number, because the mean of its divisors is an integer number (14688952425).
Almost surely, 2870208007552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 870208007552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940092955200).
870208007552 is an abundant number, since it is smaller than the sum of its proper divisors (1009977902848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
870208007552 is a wasteful number, since it uses less digits than its factorization.
870208007552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3621 (or 3583 counting only the distinct ones).
The product of its (nonzero) digits is 313600, while the sum is 44.
The spelling of 870208007552 in words is "eight hundred seventy billion, two hundred eight million, seven thousand, five hundred fifty-two".
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