Base | Representation |
---|---|
bin | 11000111101111100… |
… | …01011010111000110 |
3 | 1021121011222001121100 |
4 | 30132332023113012 |
5 | 204423024032310 |
6 | 10054041200530 |
7 | 653114343624 |
oct | 143676132706 |
9 | 37534861540 |
10 | 13404517830 |
11 | 5759556710 |
12 | 2721190146 |
13 | 1358135772 |
14 | 912388514 |
15 | 536c08ec0 |
hex | 31ef8b5c6 |
13404517830 has 96 divisors (see below), whose sum is σ = 38045648160. Its totient is φ = 3247395840.
The previous prime is 13404517813. The next prime is 13404517853. The reversal of 13404517830 is 3871540431.
It is a happy number.
13404517830 is a `hidden beast` number, since 134 + 0 + 4 + 517 + 8 + 3 + 0 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1850656 + ... + 1857884.
It is an arithmetic number, because the mean of its divisors is an integer number (396308835).
Almost surely, 213404517830 is an apocalyptic number.
13404517830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13404517830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19022824080).
13404517830 is an abundant number, since it is smaller than the sum of its proper divisors (24641130330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13404517830 is a wasteful number, since it uses less digits than its factorization.
13404517830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9126 (or 9123 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 13404517830 in words is "thirteen billion, four hundred four million, five hundred seventeen thousand, eight hundred thirty".
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