Base | Representation |
---|---|
bin | 10010111010101100… |
… | …100001001000111011 |
3 | 1221102120210122221011 |
4 | 102322230201020323 |
5 | 313044344221220 |
6 | 13155314454351 |
7 | 1316232004423 |
oct | 227254411073 |
9 | 57376718834 |
10 | 20312101435 |
11 | 868371949a |
12 | 3b2a5943b7 |
13 | 1bb9251942 |
14 | da9929483 |
15 | 7dd36a65a |
hex | 4bab2123b |
20312101435 has 8 divisors (see below), whose sum is σ = 25434283680. Its totient is φ = 15543173184.
The previous prime is 20312101429. The next prime is 20312101477. The reversal of 20312101435 is 53410121302.
It is a happy number.
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 20312101435 - 217 = 20311970363 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 88313370 + ... + 88313599.
It is an arithmetic number, because the mean of its divisors is an integer number (3179285460).
Almost surely, 220312101435 is an apocalyptic number.
20312101435 is a deficient number, since it is larger than the sum of its proper divisors (5122182245).
20312101435 is a wasteful number, since it uses less digits than its factorization.
20312101435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176626997.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 20312101435 its reverse (53410121302), we get a palindrome (73722222737).
The spelling of 20312101435 in words is "twenty billion, three hundred twelve million, one hundred one thousand, four hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •