Base | Representation |
---|---|
bin | 11001101101101111… |
… | …01001000010010000 |
3 | 1022122010101220111200 |
4 | 30312313221002100 |
5 | 211233144120202 |
6 | 10201522511200 |
7 | 666053311245 |
oct | 146667510220 |
9 | 38563356450 |
10 | 13805457552 |
11 | 5944903657 |
12 | 2813505500 |
13 | 13c02159c3 |
14 | 94d7155cc |
15 | 55c005e1c |
hex | 336de9090 |
13805457552 has 30 divisors (see below), whose sum is σ = 38636107302. Its totient is φ = 4601819136.
The previous prime is 13805457541. The next prime is 13805457577. The reversal of 13805457552 is 25575450831.
13805457552 is a `hidden beast` number, since 1 + 38 + 0 + 545 + 75 + 5 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 7479482256 + 6325975296 = 86484^2 + 79536^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13805457498 and 13805457507.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47935473 + ... + 47935760.
Almost surely, 213805457552 is an apocalyptic number.
13805457552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13805457552 is an abundant number, since it is smaller than the sum of its proper divisors (24830649750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13805457552 is a wasteful number, since it uses less digits than its factorization.
13805457552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95871247 (or 95871238 counting only the distinct ones).
The product of its (nonzero) digits is 840000, while the sum is 45.
The spelling of 13805457552 in words is "thirteen billion, eight hundred five million, four hundred fifty-seven thousand, five hundred fifty-two".
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