Base | Representation |
---|---|
bin | 10011001101000100… |
… | …10101101000011011 |
3 | 222121112111001011021 |
4 | 21212202111220123 |
5 | 132103403241443 |
6 | 4423023343311 |
7 | 513332233321 |
oct | 114642255033 |
9 | 28545431137 |
10 | 10310212123 |
11 | 4410933a72 |
12 | 1bb8a51b37 |
13 | c84052543 |
14 | 6db433d11 |
15 | 4052379ed |
hex | 266895a1b |
10310212123 has 4 divisors (see below), whose sum is σ = 10311891208. Its totient is φ = 10308533040.
The previous prime is 10310212103. The next prime is 10310212127. The reversal of 10310212123 is 32121201301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10310212123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10310212097 and 10310212106.
It is not an unprimeable number, because it can be changed into a prime (10310212127) 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, 830298 + ... + 842623.
It is an arithmetic number, because the mean of its divisors is an integer number (2577972802).
Almost surely, 210310212123 is an apocalyptic number.
10310212123 is a deficient number, since it is larger than the sum of its proper divisors (1679085).
10310212123 is an equidigital number, since it uses as much as digits as its factorization.
10310212123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1679084.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 10310212123 its reverse (32121201301), we get a palindrome (42431413424).
The spelling of 10310212123 in words is "ten billion, three hundred ten million, two hundred twelve thousand, one hundred twenty-three".
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