Base | Representation |
---|---|
bin | 10001101001111000011… |
… | …111001010000011010110 |
3 | 11021222111010222220211100 |
4 | 101221320133022003112 |
5 | 124334114231223110 |
6 | 2325200513450530 |
7 | 153436165434135 |
oct | 21517037120326 |
9 | 4258433886740 |
10 | 1213202211030 |
11 | 4285750246a7 |
12 | 177162b70a46 |
13 | 8a5348391b4 |
14 | 42a0da8d91c |
15 | 21858c81bc0 |
hex | 11a787ca0d6 |
1213202211030 has 48 divisors (see below), whose sum is σ = 3231260532864. Its totient is φ = 315629842560.
The previous prime is 1213202210999. The next prime is 1213202211041. The reversal of 1213202211030 is 301122023121.
1213202211030 is a `hidden beast` number, since 1 + 21 + 320 + 221 + 103 + 0 = 666.
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 = 1213202210994 and 1213202211012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164386854 + ... + 164394233.
It is an arithmetic number, because the mean of its divisors is an integer number (67317927768).
Almost surely, 21213202211030 is an apocalyptic number.
1213202211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213202211030 is an abundant number, since it is smaller than the sum of its proper divisors (2018058321834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213202211030 is a wasteful number, since it uses less digits than its factorization.
1213202211030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328781141 (or 328781138 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1213202211030 its reverse (301122023121), we get a palindrome (1514324234151).
The spelling of 1213202211030 in words is "one trillion, two hundred thirteen billion, two hundred two million, two hundred eleven thousand, thirty".
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