Base | Representation |
---|---|
bin | 11001000011111110… |
… | …01001101000001000 |
3 | 1021201201011010111110 |
4 | 30201333021220020 |
5 | 210024001321040 |
6 | 10103045330320 |
7 | 654300333654 |
oct | 144177115010 |
9 | 37651133443 |
10 | 13455104520 |
11 | 57850681a0 |
12 | 27361069a0 |
13 | 1365767c10 |
14 | 918d95a64 |
15 | 53b39c980 |
hex | 321fc9a08 |
13455104520 has 128 divisors (see below), whose sum is σ = 47422247040. Its totient is φ = 3010928640.
The previous prime is 13455104503. The next prime is 13455104659. The reversal of 13455104520 is 2540155431.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374889 + ... + 409208.
It is an arithmetic number, because the mean of its divisors is an integer number (370486305).
Almost surely, 213455104520 is an apocalyptic number.
13455104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13455104520 is an abundant number, since it is smaller than the sum of its proper divisors (33967142520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13455104520 is a wasteful number, since it uses less digits than its factorization.
13455104520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 784135 (or 784131 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 13455104520 its reverse (2540155431), we get a palindrome (15995259951).
The spelling of 13455104520 in words is "thirteen billion, four hundred fifty-five million, one hundred four thousand, five hundred twenty".
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