Base | Representation |
---|---|
bin | 1011010111110001011000… |
… | …1000100011110011100100 |
3 | 1122021021111001002200200020 |
4 | 2311330112020203303210 |
5 | 3114322141403004340 |
6 | 42331450354515140 |
7 | 2430212343115641 |
oct | 265742610436344 |
9 | 48237431080606 |
10 | 12503021141220 |
11 | 3a90557532425 |
12 | 149b204595ab0 |
13 | 6c905071488c |
14 | 31321414cdc8 |
15 | 16a373dc19d0 |
hex | b5f16223ce4 |
12503021141220 has 96 divisors (see below), whose sum is σ = 36139364352000. Its totient is φ = 3226443242880.
The previous prime is 12503021141203. The next prime is 12503021141243. The reversal of 12503021141220 is 2214112030521.
It is a happy number.
12503021141220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 45662281 + ... + 45935279.
It is an arithmetic number, because the mean of its divisors is an integer number (376451712000).
Almost surely, 212503021141220 is an apocalyptic number.
12503021141220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12503021141220 is an abundant number, since it is smaller than the sum of its proper divisors (23636343210780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12503021141220 is a wasteful number, since it uses less digits than its factorization.
12503021141220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297665 (or 297663 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 12503021141220 its reverse (2214112030521), we get a palindrome (14717133171741).
The spelling of 12503021141220 in words is "twelve trillion, five hundred three billion, twenty-one million, one hundred forty-one thousand, two hundred twenty".
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