Base | Representation |
---|---|
bin | 101101011100100010000… |
… | …001011000110010101110 |
3 | 102001120001002002000100010 |
4 | 231130202001120302232 |
5 | 402131412033410410 |
6 | 10350405241514050 |
7 | 441426102055134 |
oct | 55344201306256 |
9 | 12046032060303 |
10 | 3123012013230 |
11 | aa4509956a2a |
12 | 4253164a2926 |
13 | 198663a46805 |
14 | ab224291754 |
15 | 56383d62c20 |
hex | 2d722058cae |
3123012013230 has 64 divisors (see below), whose sum is σ = 7825655835648. Its totient is φ = 796131198720.
The previous prime is 3123012013193. The next prime is 3123012013237. The reversal of 3123012013230 is 323102103213.
It is a junction number, because it is equal to n+sod(n) for n = 3123012013197 and 3123012013206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3123012013237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127474 + ... + 2502453.
It is an arithmetic number, because the mean of its divisors is an integer number (122275872432).
Almost surely, 23123012013230 is an apocalyptic number.
3123012013230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3123012013230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3912827917824).
3123012013230 is an abundant number, since it is smaller than the sum of its proper divisors (4702643822418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3123012013230 is a wasteful number, since it uses less digits than its factorization.
3123012013230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2631681.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 3123012013230 its reverse (323102103213), we get a palindrome (3446114116443).
The spelling of 3123012013230 in words is "three trillion, one hundred twenty-three billion, twelve million, thirteen thousand, two hundred thirty".
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