Base | Representation |
---|---|
bin | 101001010100000110… |
… | …0111001011011010000 |
3 | 22111000010202222022200 |
4 | 1102220030321123100 |
5 | 2423200123033102 |
6 | 104431421203200 |
7 | 6260411412513 |
oct | 1225014713320 |
9 | 274003688280 |
10 | 88721299152 |
11 | 34698951232 |
12 | 15240700500 |
13 | 849bc33b65 |
14 | 4419162d7a |
15 | 2493e9751c |
hex | 14a83396d0 |
88721299152 has 120 divisors (see below), whose sum is σ = 261759912960. Its totient is φ = 28010776320.
The previous prime is 88721299141. The next prime is 88721299169. The reversal of 88721299152 is 25199212788.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1627 + ... + 421242.
It is an arithmetic number, because the mean of its divisors is an integer number (2181332608).
Almost surely, 288721299152 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 88721299152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130879956480).
88721299152 is an abundant number, since it is smaller than the sum of its proper divisors (173038613808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88721299152 is a wasteful number, since it uses less digits than its factorization.
88721299152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422961 (or 422952 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 54.
The spelling of 88721299152 in words is "eighty-eight billion, seven hundred twenty-one million, two hundred ninety-nine thousand, one hundred fifty-two".
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