Base | Representation |
---|---|
bin | 10011001010010011… |
… | …11001101000010011 |
3 | 222112220212012120000 |
4 | 21211021321220103 |
5 | 132031434410010 |
6 | 4420434421043 |
7 | 512631205323 |
oct | 114511715023 |
9 | 28486765500 |
10 | 10287028755 |
11 | 43a9839a63 |
12 | 1bb1131783 |
13 | c7c2c6183 |
14 | 6d831b283 |
15 | 4031a87c0 |
hex | 265279a13 |
10287028755 has 20 divisors (see below), whose sum is σ = 18440452272. Its totient is φ = 5486415120.
The previous prime is 10287028751. The next prime is 10287028757. The reversal of 10287028755 is 55782078201.
It is not a de Polignac number, because 10287028755 - 22 = 10287028751 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 10287028755.
It is not an unprimeable number, because it can be changed into a prime (10287028751) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12699631 + ... + 12700440.
Almost surely, 210287028755 is an apocalyptic number.
10287028755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10287028755 is a deficient number, since it is larger than the sum of its proper divisors (8153423517).
10287028755 is an equidigital number, since it uses as much as digits as its factorization.
10287028755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25400088 (or 25400079 counting only the distinct ones).
The product of its (nonzero) digits is 313600, while the sum is 45.
The spelling of 10287028755 in words is "ten billion, two hundred eighty-seven million, twenty-eight thousand, seven hundred fifty-five".
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