Base | Representation |
---|---|
bin | 101001010001001000… |
… | …0100111111010010000 |
3 | 22110202012012101012102 |
4 | 1102202100213322100 |
5 | 2422444113101223 |
6 | 104413500415532 |
7 | 6255061164440 |
oct | 1224220477220 |
9 | 273665171172 |
10 | 88621612688 |
11 | 34647654324 |
12 | 152132475a8 |
13 | 848439cc9b |
14 | 4409c14120 |
15 | 248a355928 |
hex | 14a2427e90 |
88621612688 has 80 divisors (see below), whose sum is σ = 202371333120. Its totient is φ = 36810883200.
The previous prime is 88621612649. The next prime is 88621612693.
88621612688 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (56).
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, 374723 + ... + 563613.
It is an arithmetic number, because the mean of its divisors is an integer number (2529641664).
Almost surely, 288621612688 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 88621612688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101185666560).
88621612688 is an abundant number, since it is smaller than the sum of its proper divisors (113749720432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88621612688 is a wasteful number, since it uses less digits than its factorization.
88621612688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189036 (or 189030 counting only the distinct ones).
The product of its digits is 3538944, while the sum is 56.
The spelling of 88621612688 in words is "eighty-eight billion, six hundred twenty-one million, six hundred twelve thousand, six hundred eighty-eight".
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