Base | Representation |
---|---|
bin | 10011000000101101… |
… | …100100110101000101 |
3 | 1221200121201222100012 |
4 | 103000231210311011 |
5 | 313301214320424 |
6 | 13213322200005 |
7 | 1321565664644 |
oct | 230055446505 |
9 | 57617658305 |
10 | 20413041989 |
11 | 87256a263a |
12 | 3b58353005 |
13 | 1c04134592 |
14 | db90c335b |
15 | 7e7158b0e |
hex | 4c0b64d45 |
20413041989 has 8 divisors (see below), whose sum is σ = 21500413440. Its totient is φ = 19326970656.
The previous prime is 20413041983. The next prime is 20413041997. The reversal of 20413041989 is 98914031402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20413041989 - 224 = 20396264773 is a prime.
It is a super-2 number, since 2×204130419892 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20413041983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292709 + ... + 355674.
It is an arithmetic number, because the mean of its divisors is an integer number (2687551680).
Almost surely, 220413041989 is an apocalyptic number.
It is an amenable number.
20413041989 is a deficient number, since it is larger than the sum of its proper divisors (1087371451).
20413041989 is a wasteful number, since it uses less digits than its factorization.
20413041989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650059.
The product of its (nonzero) digits is 62208, while the sum is 41.
The spelling of 20413041989 in words is "twenty billion, four hundred thirteen million, forty-one thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •