Base | Representation |
---|---|
bin | 1101110110010111010000… |
… | …01010001110011010011110 |
3 | 10222211111020011111101202221 |
4 | 12323023220022032122132 |
5 | 12442434234024420410 |
6 | 144434533132135554 |
7 | 6262213400163040 |
oct | 673135012163236 |
9 | 128744204441687 |
10 | 30455213123230 |
11 | 9781a8a92a105 |
12 | 34ba5113075ba |
13 | 13cbbb68794bc |
14 | 77407c37ba90 |
15 | 37c323a6b4da |
hex | 1bb2e828e69e |
30455213123230 has 128 divisors (see below), whose sum is σ = 67639282606080. Its totient is φ = 9641919006720.
The previous prime is 30455213123221. The next prime is 30455213123261. The reversal of 30455213123230 is 3232131255403.
It is a super-2 number, since 2×304552131232302 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329445115 + ... + 329537545.
It is an arithmetic number, because the mean of its divisors is an integer number (528431895360).
Almost surely, 230455213123230 is an apocalyptic number.
30455213123230 is an abundant number, since it is smaller than the sum of its proper divisors (37184069482850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30455213123230 is a wasteful number, since it uses less digits than its factorization.
30455213123230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99554.
The product of its (nonzero) digits is 64800, while the sum is 34.
Adding to 30455213123230 its reverse (3232131255403), we get a palindrome (33687344378633).
The spelling of 30455213123230 in words is "thirty trillion, four hundred fifty-five billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred thirty".
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