Base | Representation |
---|---|
bin | 1101111001001111101001… |
… | …00011001011101101001111 |
3 | 11000011221202002121222100102 |
4 | 12330213310203023231033 |
5 | 13001100003020141033 |
6 | 144552224052521315 |
7 | 6302316455245634 |
oct | 674476443135517 |
9 | 130157662558312 |
10 | 30554205240143 |
11 | 980aa69347782 |
12 | 351573962023b |
13 | 140833161b900 |
14 | 778b8d5dc18b |
15 | 37ebb9568de8 |
hex | 1bc9f48cbb4f |
30554205240143 has 12 divisors (see below), whose sum is σ = 33180669649368. Its totient is φ = 28122602508000.
The previous prime is 30554205240133. The next prime is 30554205240157. The reversal of 30554205240143 is 34104250245503.
It is not a de Polignac number, because 30554205240143 - 24 = 30554205240127 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30554205240097 and 30554205240106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30554205240133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260451608 + ... + 260568893.
It is an arithmetic number, because the mean of its divisors is an integer number (2765055804114).
Almost surely, 230554205240143 is an apocalyptic number.
30554205240143 is a deficient number, since it is larger than the sum of its proper divisors (2626464409225).
30554205240143 is a wasteful number, since it uses less digits than its factorization.
30554205240143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521020874 (or 521020861 counting only the distinct ones).
The product of its (nonzero) digits is 288000, while the sum is 38.
Adding to 30554205240143 its reverse (34104250245503), we get a palindrome (64658455485646).
The spelling of 30554205240143 in words is "thirty trillion, five hundred fifty-four billion, two hundred five million, two hundred forty thousand, one hundred forty-three".
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