Base | Representation |
---|---|
bin | 10011000110000101010… |
… | …010010111110011111010 |
3 | 11122110000120002012100200 |
4 | 103012011102113303322 |
5 | 132444342002224010 |
6 | 2442452241543030 |
7 | 163542366155445 |
oct | 23060522276372 |
9 | 4573016065320 |
10 | 1312201211130 |
11 | 466557413757 |
12 | 192391644a76 |
13 | 96980b4b5b4 |
14 | 47721bc265c |
15 | 2420018dcc0 |
hex | 13185497cfa |
1312201211130 has 48 divisors (see below), whose sum is σ = 3412262505600. Its totient is φ = 349865004384.
The previous prime is 1312201211107. The next prime is 1312201211159. The reversal of 1312201211130 is 311121022131.
1312201211130 is a `hidden beast` number, since 1 + 312 + 201 + 21 + 1 + 130 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 578430 + ... + 1720169.
It is an arithmetic number, because the mean of its divisors is an integer number (71088802200).
Almost surely, 21312201211130 is an apocalyptic number.
1312201211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312201211130 is an abundant number, since it is smaller than the sum of its proper divisors (2100061294470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312201211130 is a wasteful number, since it uses less digits than its factorization.
1312201211130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2304955 (or 2304952 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 1312201211130 its reverse (311121022131), we get a palindrome (1623322233261).
The spelling of 1312201211130 in words is "one trillion, three hundred twelve billion, two hundred one million, two hundred eleven thousand, one hundred thirty".
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