Base | Representation |
---|---|
bin | 10011001101101000101… |
… | …100010101011011000101 |
3 | 11200012221202212010000021 |
4 | 103031220230111123011 |
5 | 133112444210144141 |
6 | 2450313115415141 |
7 | 164250355556251 |
oct | 23155054253305 |
9 | 4605852763007 |
10 | 1320311412421 |
11 | 469a3940aa51 |
12 | 193a757544b1 |
13 | 97674167581 |
14 | 47c90d75261 |
15 | 245271a66d1 |
hex | 13368b156c5 |
1320311412421 has 8 divisors (see below), whose sum is σ = 1320934348800. Its totient is φ = 1319688595920.
The previous prime is 1320311412401. The next prime is 1320311412577. The reversal of 1320311412421 is 1242141130231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1320311412421 - 211 = 1320311410373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1320311412401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27842151 + ... + 27889531.
It is an arithmetic number, because the mean of its divisors is an integer number (165116793600).
Almost surely, 21320311412421 is an apocalyptic number.
It is an amenable number.
1320311412421 is a deficient number, since it is larger than the sum of its proper divisors (622936379).
1320311412421 is an equidigital number, since it uses as much as digits as its factorization.
1320311412421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59939.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 1320311412421 its reverse (1242141130231), we get a palindrome (2562452542652).
The spelling of 1320311412421 in words is "one trillion, three hundred twenty billion, three hundred eleven million, four hundred twelve thousand, four hundred twenty-one".
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