Base | Representation |
---|---|
bin | 11101011111010000001… |
… | …10000111011100010100 |
3 | 10120212021102200112210200 |
4 | 32233220012013130110 |
5 | 113100024033411040 |
6 | 2053243545020500 |
7 | 133126214241321 |
oct | 16575006073424 |
9 | 3525242615720 |
10 | 1013211232020 |
11 | 360778365069 |
12 | 14444a484730 |
13 | 747123580b0 |
14 | 3707ac79b48 |
15 | 1b5514e0630 |
hex | ebe8187714 |
1013211232020 has 144 divisors (see below), whose sum is σ = 3310321647360. Its totient is φ = 249368295168.
The previous prime is 1013211231973. The next prime is 1013211232027. The reversal of 1013211232020 is 202321123101.
1013211232020 is a `hidden beast` number, since 1 + 0 + 1 + 321 + 1 + 2 + 320 + 20 = 666.
1013211232020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1013211231984 and 1013211232002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1013211232027) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17537541 + ... + 17595219.
Almost surely, 21013211232020 is an apocalyptic number.
1013211232020 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 1013211232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655160823680).
1013211232020 is an abundant number, since it is smaller than the sum of its proper divisors (2297110415340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1013211232020 is a wasteful number, since it uses less digits than its factorization.
1013211232020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65214 (or 65209 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1013211232020 its reverse (202321123101), we get a palindrome (1215532355121).
The spelling of 1013211232020 in words is "one trillion, thirteen billion, two hundred eleven million, two hundred thirty-two thousand, twenty".
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