Base | Representation |
---|---|
bin | 1001000001110010101… |
… | …11100011011010111101 |
3 | 1002122200101020212022011 |
4 | 10200321113203122331 |
5 | 20040242212333041 |
6 | 354300505051221 |
7 | 31261022344450 |
oct | 4407127433275 |
9 | 1078611225264 |
10 | 310200121021 |
11 | 10a61197718a |
12 | 50151486b11 |
13 | 2333711648b |
14 | 11029ab9497 |
15 | 8107debe81 |
hex | 48395e36bd |
310200121021 has 16 divisors (see below), whose sum is σ = 374147481600. Its totient is φ = 251234105328.
The previous prime is 310200120941. The next prime is 310200121037. The reversal of 310200121021 is 120121002013.
It is a cyclic number.
It is not a de Polignac number, because 310200121021 - 29 = 310200120509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 310200120992 and 310200121010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310200121081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2993881 + ... + 3095758.
It is an arithmetic number, because the mean of its divisors is an integer number (23384217600).
Almost surely, 2310200121021 is an apocalyptic number.
It is an amenable number.
310200121021 is a deficient number, since it is larger than the sum of its proper divisors (63947360579).
310200121021 is a wasteful number, since it uses less digits than its factorization.
310200121021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6090048.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 310200121021 its reverse (120121002013), we get a palindrome (430321123034).
The spelling of 310200121021 in words is "three hundred ten billion, two hundred million, one hundred twenty-one thousand, twenty-one".
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