Base | Representation |
---|---|
bin | 11001000111000110… |
… | …00011010001011000 |
3 | 1021210112102122012000 |
4 | 30203203003101120 |
5 | 210102202333023 |
6 | 10105422521000 |
7 | 655036045620 |
oct | 144343032130 |
9 | 37715378160 |
10 | 13481292888 |
11 | 5798924978 |
12 | 2742a36160 |
13 | 136b006cab |
14 | 91c651880 |
15 | 53d822243 |
hex | 3238c3458 |
13481292888 has 64 divisors (see below), whose sum is σ = 42797760000. Its totient is φ = 3851797536.
The previous prime is 13481292857. The next prime is 13481292907. The reversal of 13481292888 is 88829218431.
13481292888 is a `hidden beast` number, since 1 + 348 + 1 + 292 + 8 + 8 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
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, 4456588 + ... + 4459611.
It is an arithmetic number, because the mean of its divisors is an integer number (668715000).
Almost surely, 213481292888 is an apocalyptic number.
13481292888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13481292888 is an abundant number, since it is smaller than the sum of its proper divisors (29316467112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13481292888 is a wasteful number, since it uses less digits than its factorization.
13481292888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8916221 (or 8916211 counting only the distinct ones).
The product of its digits is 1769472, while the sum is 54.
The spelling of 13481292888 in words is "thirteen billion, four hundred eighty-one million, two hundred ninety-two thousand, eight hundred eighty-eight".
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