Base | Representation |
---|---|
bin | 101111110110001000… |
… | …1111000000001111100 |
3 | 100211012201011022220210 |
4 | 1133230101320001330 |
5 | 3140412034403412 |
6 | 115111341512420 |
7 | 10265125423230 |
oct | 1375421700174 |
9 | 324181138823 |
10 | 102748356732 |
11 | 3a6368501aa |
12 | 17ab6272710 |
13 | 98c6027628 |
14 | 4d8a0805c0 |
15 | 2a1567283c |
hex | 17ec47807c |
102748356732 has 24 divisors (see below), whose sum is σ = 273995618176. Its totient is φ = 29356673328.
The previous prime is 102748356671. The next prime is 102748356743. The reversal of 102748356732 is 237653847201.
102748356732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1027483567322 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611597278 + ... + 611597445.
Almost surely, 2102748356732 is an apocalyptic number.
102748356732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102748356732 is an abundant number, since it is smaller than the sum of its proper divisors (171247261444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102748356732 is a wasteful number, since it uses less digits than its factorization.
102748356732 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1223194737 (or 1223194735 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 48.
The spelling of 102748356732 in words is "one hundred two billion, seven hundred forty-eight million, three hundred fifty-six thousand, seven hundred thirty-two".
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