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10306888093 = 43037239489
BaseRepresentation
bin10011001100101011…
…01010000110011101
3222121022020011110001
421212111222012131
5132102030404333
64422424214301
7513262050265
oct114625520635
928538204401
1010306888093
114409a73637
121bb790a391
13c8345a568
146dac0a7a5
15404cccb7d
hex26656a19d

10306888093 has 4 divisors (see below), whose sum is σ = 10307170620. Its totient is φ = 10306605568.

The previous prime is 10306888069. The next prime is 10306888103. The reversal of 10306888093 is 39088860301.

10306888093 is digitally balanced in base 2 and base 3, because in such bases 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: 39088860301 = 60165039701.

It can be written as a sum of positive squares in 2 ways, for example, as 2268331129 + 8038556964 = 47627^2 + 89658^2 .

It is a cyclic number.

It is not a de Polignac number, because 10306888093 - 225 = 10273333661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10306888013) 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, 76708 + ... + 162781.

It is an arithmetic number, because the mean of its divisors is an integer number (2576792655).

Almost surely, 210306888093 is an apocalyptic number.

It is an amenable number.

10306888093 is a deficient number, since it is larger than the sum of its proper divisors (282527).

10306888093 is an equidigital number, since it uses as much as digits as its factorization.

10306888093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282526.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 10306888093 in words is "ten billion, three hundred six million, eight hundred eighty-eight thousand, ninety-three".

Divisors: 1 43037 239489 10306888093