Base | Representation |
---|---|
bin | 10010111100100101110… |
… | …110011101001100001100 |
3 | 11121110201022202021121220 |
4 | 102330211312131030030 |
5 | 132313004042414040 |
6 | 2434045111323340 |
7 | 163032011304345 |
oct | 22744566351414 |
9 | 4543638667556 |
10 | 1302010123020 |
11 | 4621a7853392 |
12 | 190408680550 |
13 | 95a186a7349 |
14 | 4703651b0cc |
15 | 23d056372d0 |
hex | 12f25d9d30c |
1302010123020 has 96 divisors (see below), whose sum is σ = 3840412961280. Its totient is φ = 328679493120.
The previous prime is 1302010123013. The next prime is 1302010123031. The reversal of 1302010123020 is 203210102031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1073649 + ... + 1938231.
It is an arithmetic number, because the mean of its divisors is an integer number (40004301680).
Almost surely, 21302010123020 is an apocalyptic number.
1302010123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1302010123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920206480640).
1302010123020 is an abundant number, since it is smaller than the sum of its proper divisors (2538402838260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302010123020 is a wasteful number, since it uses less digits than its factorization.
1302010123020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 865935 (or 865933 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 1302010123020 its reverse (203210102031), we get a palindrome (1505220225051).
The spelling of 1302010123020 in words is "one trillion, three hundred two billion, ten million, one hundred twenty-three thousand, twenty".
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