Base | Representation |
---|---|
bin | 101000101011111011… |
… | …1001001110111100000 |
3 | 22100112012111201112110 |
4 | 1101113313021313200 |
5 | 2412420044001143 |
6 | 104045551355320 |
7 | 6212123555613 |
oct | 1212767116740 |
9 | 270465451473 |
10 | 87373422048 |
11 | 34067023210 |
12 | 14b25222b40 |
13 | 8315904b43 |
14 | 432c13c17a |
15 | 241599b533 |
hex | 1457dc9de0 |
87373422048 has 96 divisors (see below), whose sum is σ = 251704454400. Its totient is φ = 26318197760.
The previous prime is 87373422023. The next prime is 87373422083. The reversal of 87373422048 is 84022437378.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×873734220482 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 87373421988 and 87373422006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71373 + ... + 424076.
It is an arithmetic number, because the mean of its divisors is an integer number (2621921400).
Almost surely, 287373422048 is an apocalyptic number.
87373422048 is a gapful number since it is divisible by the number (88) 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 87373422048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125852227200).
87373422048 is an abundant number, since it is smaller than the sum of its proper divisors (164331032352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87373422048 is a wasteful number, since it uses less digits than its factorization.
87373422048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495640 (or 495632 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 48.
The spelling of 87373422048 in words is "eighty-seven billion, three hundred seventy-three million, four hundred twenty-two thousand, forty-eight".
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