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10280816027 = 78437131071
BaseRepresentation
bin10011001001100100…
…01100110110011011
3222112111011120021222
421210302030312123
5132023342103102
64420053322255
7512524331366
oct114462146633
928474146258
1010280816027
1143a6286279
121bab03638b
13c7ac2c3c1
146d75810dd
1540287caa2
hex264c8cd9b

10280816027 has 4 divisors (see below), whose sum is σ = 10281025536. Its totient is φ = 10280606520.

The previous prime is 10280816003. The next prime is 10280816053. The reversal of 10280816027 is 72061808201.

10280816027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72061808201 = 107673474843.

It is a cyclic number.

It is not a de Polignac number, because 10280816027 - 214 = 10280799643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10280816627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12902 + ... + 143972.

It is an arithmetic number, because the mean of its divisors is an integer number (2570256384).

Almost surely, 210280816027 is an apocalyptic number.

10280816027 is a deficient number, since it is larger than the sum of its proper divisors (209509).

10280816027 is an equidigital number, since it uses as much as digits as its factorization.

10280816027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209508.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 10280816027 in words is "ten billion, two hundred eighty million, eight hundred sixteen thousand, twenty-seven".

Divisors: 1 78437 131071 10280816027