Base | Representation |
---|---|
bin | 101001001010001000… |
… | …0000010010100000100 |
3 | 22110010210221100202200 |
4 | 1102110100002110010 |
5 | 2422003430441133 |
6 | 104334303034500 |
7 | 6246205341234 |
oct | 1222420022404 |
9 | 273123840680 |
10 | 88386577668 |
11 | 34536a12004 |
12 | 1516859ba30 |
13 | 8447799ccc |
14 | 43c6911cc4 |
15 | 24748ca913 |
hex | 1494402504 |
88386577668 has 18 divisors (see below), whose sum is σ = 223421626974. Its totient is φ = 29462192544.
The previous prime is 88386577649. The next prime is 88386577691. The reversal of 88386577668 is 86677568388.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 59701058244 + 28685519424 = 244338^2 + 169368^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×883865776682 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 88386577596 and 88386577605.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227591321 + ... + 1227591392.
Almost surely, 288386577668 is an apocalyptic number.
It is an amenable number.
88386577668 is an abundant number, since it is smaller than the sum of its proper divisors (135035049306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88386577668 is a wasteful number, since it uses less digits than its factorization.
88386577668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2455182723 (or 2455182718 counting only the distinct ones).
The product of its digits is 650280960, while the sum is 72.
The spelling of 88386577668 in words is "eighty-eight billion, three hundred eighty-six million, five hundred seventy-seven thousand, six hundred sixty-eight".
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