Base | Representation |
---|---|
bin | 11001000100010000… |
… | …10010100100100100 |
3 | 1021201212122212002200 |
4 | 30202020102210210 |
5 | 210030110003302 |
6 | 10103212534500 |
7 | 654326603124 |
oct | 144210224444 |
9 | 37655585080 |
10 | 13457500452 |
11 | 5786454300 |
12 | 2736a81430 |
13 | 13660c6626 |
14 | 91941ac84 |
15 | 53b6c281c |
hex | 322212924 |
13457500452 has 108 divisors (see below), whose sum is σ = 38025689520. Its totient is φ = 4008834720.
The previous prime is 13457500447. The next prime is 13457500457. The reversal of 13457500452 is 25400575431.
13457500452 is a `hidden beast` number, since 1 + 34 + 575 + 0 + 0 + 4 + 52 = 666.
It is an interprime number because it is at equal distance from previous prime (13457500447) and next prime (13457500457).
It is a super-2 number, since 2×134575004522 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (13457500457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 230823 + ... + 283185.
Almost surely, 213457500452 is an apocalyptic number.
13457500452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13457500452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19012844760).
13457500452 is an abundant number, since it is smaller than the sum of its proper divisors (24568189068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13457500452 is a wasteful number, since it uses less digits than its factorization.
13457500452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52454 (or 52438 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 36.
The spelling of 13457500452 in words is "thirteen billion, four hundred fifty-seven million, five hundred thousand, four hundred fifty-two".
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