Base | Representation |
---|---|
bin | 101001000010001110… |
… | …1001000100101000100 |
3 | 22102110100021212110202 |
4 | 1102010131020211010 |
5 | 2420433110410443 |
6 | 104252115110032 |
7 | 6236510015003 |
oct | 1220435104504 |
9 | 272410255422 |
10 | 88121575748 |
11 | 34410372158 |
12 | 150b38a2318 |
13 | 840490413b |
14 | 439d64cc3a |
15 | 245b4d17b8 |
hex | 1484748944 |
88121575748 has 6 divisors (see below), whose sum is σ = 154212757566. Its totient is φ = 44060787872.
The previous prime is 88121575723. The next prime is 88121575781. The reversal of 88121575748 is 84757512188.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 75700919044 + 12420656704 = 275138^2 + 111448^2 .
It is a super-2 number, since 2×881215757482 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 88121575693 and 88121575702.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015196965 + ... + 11015196972.
It is an arithmetic number, because the mean of its divisors is an integer number (25702126261).
Almost surely, 288121575748 is an apocalyptic number.
It is an amenable number.
88121575748 is a deficient number, since it is larger than the sum of its proper divisors (66091181818).
88121575748 is a wasteful number, since it uses less digits than its factorization.
88121575748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22030393941 (or 22030393939 counting only the distinct ones).
The product of its digits is 5017600, while the sum is 56.
The spelling of 88121575748 in words is "eighty-eight billion, one hundred twenty-one million, five hundred seventy-five thousand, seven hundred forty-eight".
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