Base | Representation |
---|---|
bin | 11000111011111110… |
… | …11101100100111000 |
3 | 1021120001000210112100 |
4 | 30131333131210320 |
5 | 204404321433433 |
6 | 10052252543400 |
7 | 652524531351 |
oct | 143577354470 |
9 | 37501023470 |
10 | 13388077368 |
11 | 5750247756 |
12 | 2717781b60 |
13 | 13548ca593 |
14 | 910108d28 |
15 | 53555cb13 |
hex | 31dfdd938 |
13388077368 has 48 divisors (see below), whose sum is σ = 36331560720. Its totient is φ = 4453808256.
The previous prime is 13388077343. The next prime is 13388077403. The reversal of 13388077368 is 86377088331.
13388077368 is a `hidden beast` number, since 133 + 8 + 80 + 77 + 368 = 666.
It is a super-2 number, since 2×133880773682 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148621 + ... + 221052.
It is an arithmetic number, because the mean of its divisors is an integer number (756907515).
Almost surely, 213388077368 is an apocalyptic number.
13388077368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13388077368 is an abundant number, since it is smaller than the sum of its proper divisors (22943483352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13388077368 is a wasteful number, since it uses less digits than its factorization.
13388077368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370188 (or 370181 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 54.
The spelling of 13388077368 in words is "thirteen billion, three hundred eighty-eight million, seventy-seven thousand, three hundred sixty-eight".
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