Base | Representation |
---|---|
bin | 101111100000101111… |
… | …0010100111001100110 |
3 | 100202100122211012122221 |
4 | 1133001132110321212 |
5 | 3132424212403142 |
6 | 114512205142554 |
7 | 10241255252113 |
oct | 1370136247146 |
9 | 322318735587 |
10 | 102030200422 |
11 | 3a2a842a797 |
12 | 1793585aa5a |
13 | 98102cc077 |
14 | 4d1c93b90a |
15 | 29c25b5767 |
hex | 17c1794e66 |
102030200422 has 4 divisors (see below), whose sum is σ = 153045300636. Its totient is φ = 51015100210.
The previous prime is 102030200401. The next prime is 102030200423. The reversal of 102030200422 is 224002030201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224002030201 = 23269 ⋅9626629.
It is a junction number, because it is equal to n+sod(n) for n = 102030200396 and 102030200405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102030200423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507550104 + ... + 25507550107.
It is an arithmetic number, because the mean of its divisors is an integer number (38261325159).
Almost surely, 2102030200422 is an apocalyptic number.
102030200422 is a deficient number, since it is larger than the sum of its proper divisors (51015100214).
102030200422 is an equidigital number, since it uses as much as digits as its factorization.
102030200422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51015100213.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 102030200422 its reverse (224002030201), we get a palindrome (326032230623).
The spelling of 102030200422 in words is "one hundred two billion, thirty million, two hundred thousand, four hundred twenty-two".
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