Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …011000100000100101110 |
3 | 11022122112221021011002021 |
4 | 101300121223010010232 |
5 | 124442433031300332 |
6 | 2332315223220354 |
7 | 154104505015225 |
oct | 21603153040456 |
9 | 4278487234067 |
10 | 1220201431342 |
11 | 4305369964a3 |
12 | 178596ba76ba |
13 | 8b0ab92b28a |
14 | 430b5485cbc |
15 | 21b18494c97 |
hex | 11c19ac412e |
1220201431342 has 8 divisors (see below), whose sum is σ = 1831431271032. Its totient is φ = 609724341000.
The previous prime is 1220201431327. The next prime is 1220201431343. The reversal of 1220201431342 is 2431341020221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220201431343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188183284 + ... + 188189767.
It is an arithmetic number, because the mean of its divisors is an integer number (228928908879).
Almost surely, 21220201431342 is an apocalyptic number.
1220201431342 is a deficient number, since it is larger than the sum of its proper divisors (611229839690).
1220201431342 is a wasteful number, since it uses less digits than its factorization.
1220201431342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376374674.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 1220201431342 its reverse (2431341020221), we get a palindrome (3651542451563).
The spelling of 1220201431342 in words is "one trillion, two hundred twenty billion, two hundred one million, four hundred thirty-one thousand, three hundred forty-two".
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