Base | Representation |
---|---|
bin | 10010111100100010… |
… | …100000000101101010 |
3 | 1221111202000000010002 |
4 | 102330202200011222 |
5 | 313130303430442 |
6 | 13202341423002 |
7 | 1320055621502 |
oct | 227442400552 |
9 | 57452000102 |
10 | 20343030122 |
11 | 869a123698 |
12 | 3b38a0aa62 |
13 | 1bc279053c |
14 | dada9aa02 |
15 | 7e0e29732 |
hex | 4bc8a016a |
20343030122 has 4 divisors (see below), whose sum is σ = 30514545186. Its totient is φ = 10171515060.
The previous prime is 20343030119. The next prime is 20343030131. The reversal of 20343030122 is 22103034302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22103034302 = 2 ⋅11051517151.
It can be written as a sum of positive squares in only one way, i.e., 20271779641 + 71250481 = 142379^2 + 8441^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20343030094 and 20343030103.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085757529 + ... + 5085757532.
Almost surely, 220343030122 is an apocalyptic number.
20343030122 is a deficient number, since it is larger than the sum of its proper divisors (10171515064).
20343030122 is a wasteful number, since it uses less digits than its factorization.
20343030122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10171515063.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 20343030122 its reverse (22103034302), we get a palindrome (42446064424).
The spelling of 20343030122 in words is "twenty billion, three hundred forty-three million, thirty thousand, one hundred twenty-two".
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