Base | Representation |
---|---|
bin | 10111010110001101111… |
… | …10010101110011110001 |
3 | 2211200121211212110020200 |
4 | 23223012332111303301 |
5 | 101120402222214311 |
6 | 1412305424025413 |
7 | 111646213515555 |
oct | 13530676256361 |
9 | 2750554773220 |
10 | 802202148081 |
11 | 28a237221194 |
12 | 10b57ba62269 |
13 | 5a855280989 |
14 | 2ab80a01865 |
15 | 15d017d5556 |
hex | bac6f95cf1 |
802202148081 has 6 divisors (see below), whose sum is σ = 1158736436130. Its totient is φ = 534801432048.
The previous prime is 802202148071. The next prime is 802202148133. The reversal of 802202148081 is 180841202208.
802202148081 is a `hidden beast` number, since 80 + 2 + 2 + 0 + 21 + 480 + 81 = 666.
It can be written as a sum of positive squares in only one way, i.e., 426382880400 + 375819267681 = 652980^2 + 613041^2 .
It is not a de Polignac number, because 802202148081 - 27 = 802202147953 is a prime.
It is a super-2 number, since 2×8022021480812 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (802202148031) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44566785996 + ... + 44566786013.
It is an arithmetic number, because the mean of its divisors is an integer number (193122739355).
Almost surely, 2802202148081 is an apocalyptic number.
It is an amenable number.
802202148081 is a deficient number, since it is larger than the sum of its proper divisors (356534288049).
802202148081 is a wasteful number, since it uses less digits than its factorization.
802202148081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89133572015 (or 89133572012 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 36.
The spelling of 802202148081 in words is "eight hundred two billion, two hundred two million, one hundred forty-eight thousand, eighty-one".
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