Base | Representation |
---|---|
bin | 11100000010001011… |
… | …011010001111000111 |
3 | 2212200210221022112222 |
4 | 130002023122033013 |
5 | 443121414112201 |
6 | 21454531402555 |
7 | 2113636653245 |
oct | 340213321707 |
9 | 85623838488 |
10 | 30101316551 |
11 | 11847454719 |
12 | 5a00a5345b |
13 | 2ab9379c17 |
14 | 1657a9d795 |
15 | bb298d91b |
hex | 7022da3c7 |
30101316551 has 4 divisors (see below), whose sum is σ = 30101733912. Its totient is φ = 30100899192.
The previous prime is 30101316461. The next prime is 30101316571. The reversal of 30101316551 is 15561310103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30101316551 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30101316551.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30101316571) 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, 69596 + ... + 255041.
It is an arithmetic number, because the mean of its divisors is an integer number (7525433478).
Almost surely, 230101316551 is an apocalyptic number.
30101316551 is a deficient number, since it is larger than the sum of its proper divisors (417361).
30101316551 is an equidigital number, since it uses as much as digits as its factorization.
30101316551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417360.
The product of its (nonzero) digits is 1350, while the sum is 26.
Adding to 30101316551 its reverse (15561310103), we get a palindrome (45662626654).
The spelling of 30101316551 in words is "thirty billion, one hundred one million, three hundred sixteen thousand, five hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •