Search a number
-
+
10310300123 = 71011145193
BaseRepresentation
bin10011001101000101…
…01011000111011011
3222121112122111212112
421212202223013123
5132103414100443
64423025302535
7513333051014
oct114642530733
928545574775
1010310300123
1144109940a2
121bb8a94a4b
13c84083606
146db45800b
15405253b18
hex2668ab1db

10310300123 has 4 divisors (see below), whose sum is σ = 10310516328. Its totient is φ = 10310083920.

The previous prime is 10310300069. The next prime is 10310300129. The reversal of 10310300123 is 32100301301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32100301301 = 33479958819.

It is a cyclic number.

It is not a de Polignac number, because 10310300123 - 224 = 10293522907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10310300098 and 10310300107.

It is not an unprimeable number, because it can be changed into a prime (10310300129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 143607.

It is an arithmetic number, because the mean of its divisors is an integer number (2577629082).

Almost surely, 210310300123 is an apocalyptic number.

10310300123 is a deficient number, since it is larger than the sum of its proper divisors (216205).

10310300123 is an equidigital number, since it uses as much as digits as its factorization.

10310300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216204.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10310300123 its reverse (32100301301), we get a palindrome (42410601424).

The spelling of 10310300123 in words is "ten billion, three hundred ten million, three hundred thousand, one hundred twenty-three".

Divisors: 1 71011 145193 10310300123