Base | Representation |
---|---|
bin | 11001101110011010… |
… | …10110001011011000 |
3 | 1022122112002222121202 |
4 | 30313031112023120 |
5 | 211241123204410 |
6 | 10202244453332 |
7 | 666152550044 |
oct | 146715261330 |
9 | 38575088552 |
10 | 13811147480 |
11 | 594803a579 |
12 | 28153aa248 |
13 | 13c1458820 |
14 | 950397024 |
15 | 55c77bca5 |
hex | 3373562d8 |
13811147480 has 64 divisors (see below), whose sum is σ = 35434052640. Its totient is φ = 4799526912.
The previous prime is 13811147477. The next prime is 13811147501. The reversal of 13811147480 is 8474111831.
It is a super-3 number, since 3×138111474803 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772334 + ... + 790013.
Almost surely, 213811147480 is an apocalyptic number.
13811147480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13811147480 is an abundant number, since it is smaller than the sum of its proper divisors (21622905160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13811147480 is a wasteful number, since it uses less digits than its factorization.
13811147480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1562388 (or 1562384 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 38.
The spelling of 13811147480 in words is "thirteen billion, eight hundred eleven million, one hundred forty-seven thousand, four hundred eighty".
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