Base | Representation |
---|---|
bin | 101111111111000111010001… |
… | …000011011001111101010100 |
3 | 1000200020201211220010020221000 |
4 | 233333013101003121331110 |
5 | 210130231301212320302 |
6 | 2024504513542223300 |
7 | 62311343440616145 |
oct | 5777072103317524 |
9 | 1020221756106830 |
10 | 211045315354452 |
11 | 612778a7639817 |
12 | 1b805bb5124b30 |
13 | 909b645a39927 |
14 | 3a1890d677acc |
15 | 195eb8dbca31c |
hex | bff1d10d9f54 |
211045315354452 has 96 divisors (see below), whose sum is σ = 552755899987200. Its totient is φ = 69629973912576.
The previous prime is 211045315354429. The next prime is 211045315354453. The reversal of 211045315354452 is 254453513540112.
211045315354452 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 4 + 5 + 3 + 1 + 53 + 544 + 52 = 666.
It is a super-2 number, since 2×2110453153544522 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 211045315354398 and 211045315354407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211045315354453) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3021177 + ... + 20765792.
It is an arithmetic number, because the mean of its divisors is an integer number (5757873958200).
Almost surely, 2211045315354452 is an apocalyptic number.
It is an amenable number.
211045315354452 is an abundant number, since it is smaller than the sum of its proper divisors (341710584632748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211045315354452 is a wasteful number, since it uses less digits than its factorization.
211045315354452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23787822 (or 23787814 counting only the distinct ones).
The product of its (nonzero) digits is 1440000, while the sum is 45.
Adding to 211045315354452 its reverse (254453513540112), we get a palindrome (465498828894564).
The spelling of 211045315354452 in words is "two hundred eleven trillion, forty-five billion, three hundred fifteen million, three hundred fifty-four thousand, four hundred fifty-two".
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