Base | Representation |
---|---|
bin | 1000010000111101111… |
… | …11011100010101100000 |
3 | 1000011000121010102210220 |
4 | 10020132333130111200 |
5 | 14123101333223102 |
6 | 334243455523040 |
7 | 26342324244024 |
oct | 4103677342540 |
9 | 1004017112726 |
10 | 283987789152 |
11 | aa4907812a1 |
12 | 47056b29480 |
13 | 20a1a68b732 |
14 | da60712384 |
15 | 75c1aa51bc |
hex | 421efdc560 |
283987789152 has 48 divisors (see below), whose sum is σ = 745497632880. Its totient is φ = 94658826752.
The previous prime is 283987789067. The next prime is 283987789171. The reversal of 283987789152 is 251987789382.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443374 + ... + 3524882.
It is an arithmetic number, because the mean of its divisors is an integer number (15531200685).
Almost surely, 2283987789152 is an apocalyptic number.
It is an amenable number.
283987789152 is an abundant number, since it is smaller than the sum of its proper divisors (461509843728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
283987789152 is a wasteful number, since it uses less digits than its factorization.
283987789152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117815 (or 117807 counting only the distinct ones).
The product of its digits is 121927680, while the sum is 69.
The spelling of 283987789152 in words is "two hundred eighty-three billion, nine hundred eighty-seven million, seven hundred eighty-nine thousand, one hundred fifty-two".
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