Base | Representation |
---|---|
bin | 1001000010000000000… |
… | …11110111110011001011 |
3 | 1002122222012112100000111 |
4 | 10201000003313303023 |
5 | 20041004433331443 |
6 | 354315555415151 |
7 | 31263554616553 |
oct | 4410003676313 |
9 | 1078865470014 |
10 | 310312402123 |
11 | 10a66a296689 |
12 | 50182bb44b7 |
13 | 23354469bb9 |
14 | 1103a986163 |
15 | 8112bca69d |
hex | 48400f7ccb |
310312402123 has 16 divisors (see below), whose sum is σ = 323247456000. Its totient is φ = 297618300000.
The previous prime is 310312402033. The next prime is 310312402151. The reversal of 310312402123 is 321204213013.
It is a cyclic number.
It is not a de Polignac number, because 310312402123 - 221 = 310310304971 is a prime.
It is a super-2 number, since 2×3103124021232 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 310312402094 and 310312402103.
It is not an unprimeable number, because it can be changed into a prime (310312402163) 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 15 ways as a sum of consecutive naturals, for example, 27575248 + ... + 27586498.
It is an arithmetic number, because the mean of its divisors is an integer number (20202966000).
Almost surely, 2310312402123 is an apocalyptic number.
310312402123 is a deficient number, since it is larger than the sum of its proper divisors (12935053877).
310312402123 is a wasteful number, since it uses less digits than its factorization.
310312402123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21858.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 310312402123 its reverse (321204213013), we get a palindrome (631516615136).
The spelling of 310312402123 in words is "three hundred ten billion, three hundred twelve million, four hundred two thousand, one hundred twenty-three".
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