Base | Representation |
---|---|
bin | 10010000101110101001… |
… | …010101111110100100010 |
3 | 11101211221112101121002210 |
4 | 102011311022233310202 |
5 | 130332044043101010 |
6 | 2351042352422550 |
7 | 155550635456622 |
oct | 22056512576442 |
9 | 4354845347083 |
10 | 1243211300130 |
11 | 43a274406488 |
12 | 180b38b47a56 |
13 | 90307a64357 |
14 | 442593c2882 |
15 | 225135a3b20 |
hex | 121752afd22 |
1243211300130 has 64 divisors (see below), whose sum is σ = 2989141833600. Its totient is φ = 330919632384.
The previous prime is 1243211300101. The next prime is 1243211300147. The reversal of 1243211300130 is 310031123421.
It is a junction number, because it is equal to n+sod(n) for n = 1243211300097 and 1243211300106.
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, 46002382 + ... + 46029398.
It is an arithmetic number, because the mean of its divisors is an integer number (46705341150).
Almost surely, 21243211300130 is an apocalyptic number.
1243211300130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1243211300130 is an abundant number, since it is smaller than the sum of its proper divisors (1745930533470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243211300130 is a wasteful number, since it uses less digits than its factorization.
1243211300130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29763.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1243211300130 its reverse (310031123421), we get a palindrome (1553242423551).
The spelling of 1243211300130 in words is "one trillion, two hundred forty-three billion, two hundred eleven million, three hundred thousand, one hundred thirty".
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