Base | Representation |
---|---|
bin | 11100000011010100… |
… | …101000011101101111 |
3 | 2212202011001111212012 |
4 | 130003110220131233 |
5 | 443141322330333 |
6 | 21500455031435 |
7 | 2114262056606 |
oct | 340324503557 |
9 | 85664044765 |
10 | 30120511343 |
11 | 11857274a8a |
12 | 5a0736b57b |
13 | 2ac033a9a0 |
14 | 165a458a3d |
15 | bb44d0e48 |
hex | 70352876f |
30120511343 has 4 divisors (see below), whose sum is σ = 32437473768. Its totient is φ = 27803548920.
The previous prime is 30120511331. The next prime is 30120511363. The reversal of 30120511343 is 34311502103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34311502103 = 71 ⋅483260593.
It is a cyclic number.
It is not a de Polignac number, because 30120511343 - 234 = 12940642159 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120511303) 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, 1158481193 + ... + 1158481218.
It is an arithmetic number, because the mean of its divisors is an integer number (8109368442).
Almost surely, 230120511343 is an apocalyptic number.
30120511343 is a deficient number, since it is larger than the sum of its proper divisors (2316962425).
30120511343 is a wasteful number, since it uses less digits than its factorization.
30120511343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2316962424.
The product of its (nonzero) digits is 1080, while the sum is 23.
The spelling of 30120511343 in words is "thirty billion, one hundred twenty million, five hundred eleven thousand, three hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.204 sec. • engine limits •