Base | Representation |
---|---|
bin | 1110010010011100101101… |
… | …01001100011000011100010 |
3 | 11010020202001200110202011110 |
4 | 13021032112221203003202 |
5 | 13104242044042303010 |
6 | 150454125141524150 |
7 | 6422015113651164 |
oct | 711162651430342 |
9 | 133222050422143 |
10 | 31420213244130 |
11 | a014268286887 |
12 | 3635545a13656 |
13 | 146bbb49643b9 |
14 | 7a8a6430a934 |
15 | 3974a2778120 |
hex | 1c9396a630e2 |
31420213244130 has 32 divisors (see below), whose sum is σ = 79844306598144. Its totient is φ = 7885857441536.
The previous prime is 31420213244107. The next prime is 31420213244141. The reversal of 31420213244130 is 3144231202413.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30804130122 + ... + 30804131141.
It is an arithmetic number, because the mean of its divisors is an integer number (2495134581192).
Almost surely, 231420213244130 is an apocalyptic number.
31420213244130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31420213244130 is an abundant number, since it is smaller than the sum of its proper divisors (48424093354014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31420213244130 is a wasteful number, since it uses less digits than its factorization.
31420213244130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61608261290.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 31420213244130 its reverse (3144231202413), we get a palindrome (34564444446543).
The spelling of 31420213244130 in words is "thirty-one trillion, four hundred twenty billion, two hundred thirteen million, two hundred forty-four thousand, one hundred thirty".
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