Base | Representation |
---|---|
bin | 10010111101001100… |
… | …110110100001001001 |
3 | 1221112111220001002021 |
4 | 102331030312201021 |
5 | 313141124211131 |
6 | 13203415404441 |
7 | 1320252160555 |
oct | 227514664111 |
9 | 57474801067 |
10 | 20354132041 |
11 | 86a5416731 |
12 | 3b40683721 |
13 | 1bc4b79819 |
14 | db134a865 |
15 | 7e1dbde11 |
hex | 4bd336849 |
20354132041 has 4 divisors (see below), whose sum is σ = 20354499072. Its totient is φ = 20353765012.
The previous prime is 20354131981. The next prime is 20354132053. The reversal of 20354132041 is 14023145302.
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 20354132041 - 211 = 20354129993 is a prime.
It is a super-2 number, since 2×203541320412 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20354131997 and 20354132015.
It is not an unprimeable number, because it can be changed into a prime (20354132341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81385 + ... + 217558.
It is an arithmetic number, because the mean of its divisors is an integer number (5088624768).
Almost surely, 220354132041 is an apocalyptic number.
It is an amenable number.
20354132041 is a deficient number, since it is larger than the sum of its proper divisors (367031).
20354132041 is an equidigital number, since it uses as much as digits as its factorization.
20354132041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367030.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 20354132041 its reverse (14023145302), we get a palindrome (34377277343).
The spelling of 20354132041 in words is "twenty billion, three hundred fifty-four million, one hundred thirty-two thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •