Base | Representation |
---|---|
bin | 10010110110000111… |
… | …101111001111011001 |
3 | 1221020020101100010111 |
4 | 102312013233033121 |
5 | 312420222213001 |
6 | 13143533444321 |
7 | 1314310434265 |
oct | 226607571731 |
9 | 57206340114 |
10 | 20235351001 |
11 | 8644367788 |
12 | 3b089406a1 |
13 | 1ba638b698 |
14 | d9d66b0a5 |
15 | 7d6759851 |
hex | 4b61ef3d9 |
20235351001 has 4 divisors (see below), whose sum is σ = 20665890432. Its totient is φ = 19804811572.
The previous prime is 20235350999. The next prime is 20235351041. The reversal of 20235351001 is 10015353202.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20235351001 - 21 = 20235350999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20235351041) 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, 215269645 + ... + 215269738.
It is an arithmetic number, because the mean of its divisors is an integer number (5166472608).
Almost surely, 220235351001 is an apocalyptic number.
It is an amenable number.
20235351001 is a deficient number, since it is larger than the sum of its proper divisors (430539431).
20235351001 is an equidigital number, since it uses as much as digits as its factorization.
20235351001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430539430.
The product of its (nonzero) digits is 900, while the sum is 22.
The spelling of 20235351001 in words is "twenty billion, two hundred thirty-five million, three hundred fifty-one thousand, one".
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