Base | Representation |
---|---|
bin | 1101000010011011111000… |
… | …11000110010011110000000 |
3 | 10202111220211211122011212000 |
4 | 12201031330120302132000 |
5 | 12224221143323330020 |
6 | 140551134515104000 |
7 | 6016260643223256 |
oct | 641157430623600 |
9 | 122456754564760 |
10 | 28670993573760 |
11 | 915433346a57a |
12 | 32707698a2000 |
13 | 12cc880a79bb5 |
14 | 71197d7105d6 |
15 | 34abe95dc090 |
hex | 1a137c632780 |
28670993573760 has 128 divisors (see below), whose sum is σ = 101543102301600. Its totient is φ = 7645598281728.
The previous prime is 28670993573741. The next prime is 28670993573773. The reversal of 28670993573760 is 6737539907682.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (72).
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, 829583229 + ... + 829617788.
Almost surely, 228670993573760 is an apocalyptic number.
28670993573760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28670993573760 is an abundant number, since it is smaller than the sum of its proper divisors (72872108727840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28670993573760 is a wasteful number, since it uses less digits than its factorization.
28670993573760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1659201045 (or 1659201027 counting only the distinct ones).
The product of its (nonzero) digits is 720135360, while the sum is 72.
The spelling of 28670993573760 in words is "twenty-eight trillion, six hundred seventy billion, nine hundred ninety-three million, five hundred seventy-three thousand, seven hundred sixty".
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