Base | Representation |
---|---|
bin | 1001000001111110101… |
… | …01000001110000001001 |
3 | 1002122221100102110000121 |
4 | 10200333111001300021 |
5 | 20040443312401441 |
6 | 354314440303241 |
7 | 31263345343033 |
oct | 4407725016011 |
9 | 1078840373017 |
10 | 310300122121 |
11 | 10a663369520 |
12 | 5017aa71b21 |
13 | 23351a5a622 |
14 | 110390aac53 |
15 | 8111aa1dd1 |
hex | 483f541c09 |
310300122121 has 4 divisors (see below), whose sum is σ = 338509224144. Its totient is φ = 282091020100.
The previous prime is 310300122109. The next prime is 310300122133. The reversal of 310300122121 is 121221003013.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121221003013 = 11 ⋅11020091183.
It is an interprime number because it is at equal distance from previous prime (310300122109) and next prime (310300122133).
It is a cyclic number.
It is not a de Polignac number, because 310300122121 - 221 = 310298024969 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 310300122095 and 310300122104.
It is not an unprimeable number, because it can be changed into a prime (310300122151) 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, 14104550995 + ... + 14104551016.
It is an arithmetic number, because the mean of its divisors is an integer number (84627306036).
Almost surely, 2310300122121 is an apocalyptic number.
It is an amenable number.
310300122121 is a deficient number, since it is larger than the sum of its proper divisors (28209102023).
310300122121 is a wasteful number, since it uses less digits than its factorization.
310300122121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28209102022.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 310300122121 its reverse (121221003013), we get a palindrome (431521125134).
The spelling of 310300122121 in words is "three hundred ten billion, three hundred million, one hundred twenty-two thousand, one hundred twenty-one".
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