Base | Representation |
---|---|
bin | 10010111011010101… |
… | …100111001010010111 |
3 | 1221110100001222010022 |
4 | 102323111213022113 |
5 | 313110123432012 |
6 | 13200341415355 |
7 | 1316422402352 |
oct | 227325471227 |
9 | 57410058108 |
10 | 20322874007 |
11 | 8689807047 |
12 | 3b3210a55b |
13 | 1bbb554047 |
14 | dab131299 |
15 | 7de297472 |
hex | 4bb567297 |
20322874007 has 4 divisors (see below), whose sum is σ = 20328074256. Its totient is φ = 20317673760.
The previous prime is 20322874001. The next prime is 20322874051. The reversal of 20322874007 is 70047822302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70047822302 = 2 ⋅35023911151.
It is a cyclic number.
It is not a de Polignac number, because 20322874007 - 28 = 20322873751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20322874001) 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, 2594258 + ... + 2602079.
It is an arithmetic number, because the mean of its divisors is an integer number (5082018564).
Almost surely, 220322874007 is an apocalyptic number.
20322874007 is a deficient number, since it is larger than the sum of its proper divisors (5200249).
20322874007 is an equidigital number, since it uses as much as digits as its factorization.
20322874007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5200248.
The product of its (nonzero) digits is 37632, while the sum is 35.
The spelling of 20322874007 in words is "twenty billion, three hundred twenty-two million, eight hundred seventy-four thousand, seven".
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