Base | Representation |
---|---|
bin | 110100101001011000011110… |
… | …110001110100100001011110 |
3 | 1010100211012220020220221012112 |
4 | 310221120132301310201132 |
5 | 220322041413021212110 |
6 | 2140241004133434022 |
7 | 66525241434553223 |
oct | 6451303661644136 |
9 | 1110735806827175 |
10 | 231542203304030 |
11 | 6785a551521753 |
12 | 21b7651b49b912 |
13 | 9c2744a4b4478 |
14 | 41269b96a594a |
15 | 1bb7e2636a405 |
hex | d2961ec7485e |
231542203304030 has 16 divisors (see below), whose sum is σ = 416865039757920. Its totient is φ = 92597087141472.
The previous prime is 231542203304003. The next prime is 231542203304039. The reversal of 231542203304030 is 30403302245132.
231542203304030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2315422033040302 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231542203304039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474223389 + ... + 2474316968.
It is an arithmetic number, because the mean of its divisors is an integer number (26054064984870).
Almost surely, 2231542203304030 is an apocalyptic number.
231542203304030 is a deficient number, since it is larger than the sum of its proper divisors (185322836453890).
231542203304030 is a wasteful number, since it uses less digits than its factorization.
231542203304030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4948545043.
The product of its (nonzero) digits is 51840, while the sum is 32.
Adding to 231542203304030 its reverse (30403302245132), we get a palindrome (261945505549162).
The spelling of 231542203304030 in words is "two hundred thirty-one trillion, five hundred forty-two billion, two hundred three million, three hundred four thousand, thirty".
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