Base | Representation |
---|---|
bin | 11101101100010010100… |
… | …00110001000100010110 |
3 | 10121112100012100001100020 |
4 | 32312021100301010112 |
5 | 113203342242414110 |
6 | 2100402243330010 |
7 | 133464520651350 |
oct | 16661120610426 |
9 | 3545305301306 |
10 | 1020210123030 |
11 | 36373a02150a |
12 | 145882380906 |
13 | 75289363317 |
14 | 375425c80d0 |
15 | 1b810b8ad70 |
hex | ed89431116 |
1020210123030 has 128 divisors (see below), whose sum is σ = 2819173413888. Its totient is φ = 231454444032.
The previous prime is 1020210123011. The next prime is 1020210123071. The reversal of 1020210123030 is 303210120201.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26440512 + ... + 26479068.
It is an arithmetic number, because the mean of its divisors is an integer number (22024792296).
Almost surely, 21020210123030 is an apocalyptic number.
1020210123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1020210123030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409586706944).
1020210123030 is an abundant number, since it is smaller than the sum of its proper divisors (1798963290858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020210123030 is a wasteful number, since it uses less digits than its factorization.
1020210123030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39510.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 1020210123030 its reverse (303210120201), we get a palindrome (1323420243231).
The spelling of 1020210123030 in words is "one trillion, twenty billion, two hundred ten million, one hundred twenty-three thousand, thirty".
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