Base | Representation |
---|---|
bin | 10010111100100101111… |
… | …111001101111110101100 |
3 | 11121110201111001222111200 |
4 | 102330211333031332230 |
5 | 132313010134420022 |
6 | 2434045232445500 |
7 | 163032036652203 |
oct | 22744577157654 |
9 | 4543644058450 |
10 | 1302012420012 |
11 | 4621a9082127 |
12 | 1904093a9890 |
13 | 95a18ccca05 |
14 | 4703695823a |
15 | 23d0593cbac |
hex | 12f25fcdfac |
1302012420012 has 18 divisors (see below), whose sum is σ = 3291198061788. Its totient is φ = 434004139992.
The previous prime is 1302012420001. The next prime is 1302012420013. The reversal of 1302012420012 is 2100242102031.
It is a happy number.
1302012420012 is a `hidden beast` number, since 1 + 30 + 201 + 2 + 420 + 0 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1302012420013) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18083505798 + ... + 18083505869.
It is an arithmetic number, because the mean of its divisors is an integer number (182844336766).
Almost surely, 21302012420012 is an apocalyptic number.
1302012420012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1302012420012 is an abundant number, since it is smaller than the sum of its proper divisors (1989185641776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302012420012 is a wasteful number, since it uses less digits than its factorization.
1302012420012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36167011677 (or 36167011672 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 1302012420012 its reverse (2100242102031), we get a palindrome (3402254522043).
The spelling of 1302012420012 in words is "one trillion, three hundred two billion, twelve million, four hundred twenty thousand, twelve".
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