Base | Representation |
---|---|
bin | 1101010100000010111… |
… | …10101011000001000011 |
3 | 1121201201200212111112000 |
4 | 12222001132223001003 |
5 | 24443313320203010 |
6 | 550051113435043 |
7 | 45022521640440 |
oct | 6520136530103 |
9 | 1551650774460 |
10 | 457438834755 |
11 | 166aa932a071 |
12 | 747a340ba83 |
13 | 341a05a1926 |
14 | 181d68429c7 |
15 | bd7438c7c0 |
hex | 6a817ab043 |
457438834755 has 128 divisors (see below), whose sum is σ = 999132364800. Its totient is φ = 193893409152.
The previous prime is 457438834669. The next prime is 457438834799. The reversal of 457438834755 is 557438834754.
It is a happy number.
457438834755 is a `hidden beast` number, since 4 + 57 + 4 + 38 + 83 + 475 + 5 = 666.
It is not a de Polignac number, because 457438834755 - 216 = 457438769219 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 457438834692 and 457438834701.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 572854 + ... + 1114916.
It is an arithmetic number, because the mean of its divisors is an integer number (7805721600).
Almost surely, 2457438834755 is an apocalyptic number.
457438834755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
457438834755 is an abundant number, since it is smaller than the sum of its proper divisors (541693530045).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
457438834755 is a wasteful number, since it uses less digits than its factorization.
457438834755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 542150 (or 542144 counting only the distinct ones).
The product of its digits is 225792000, while the sum is 63.
Subtracting 457438834755 from its reverse (557438834754), we obtain a palindrome (99999999999).
The spelling of 457438834755 in words is "four hundred fifty-seven billion, four hundred thirty-eight million, eight hundred thirty-four thousand, seven hundred fifty-five".
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