Base | Representation |
---|---|
bin | 101111101100001000… |
… | …0011000010100110001 |
3 | 100210100022000222220110 |
4 | 1133120100120110301 |
5 | 3134220034423101 |
6 | 115014141331533 |
7 | 10253606132064 |
oct | 1373020302461 |
9 | 323308028813 |
10 | 102412420401 |
11 | 3a484161275 |
12 | 17a21866ba9 |
13 | 9871556835 |
14 | 4d575d48db |
15 | 29e5e15cd6 |
hex | 17d8418531 |
102412420401 has 4 divisors (see below), whose sum is σ = 136549893872. Its totient is φ = 68274946932.
The previous prime is 102412420379. The next prime is 102412420421. The reversal of 102412420401 is 104024214201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 102412420401 - 227 = 102278202673 is a prime.
It is a super-2 number, since 2×1024124204012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102412420421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17068736731 + ... + 17068736736.
It is an arithmetic number, because the mean of its divisors is an integer number (34137473468).
Almost surely, 2102412420401 is an apocalyptic number.
It is an amenable number.
102412420401 is a deficient number, since it is larger than the sum of its proper divisors (34137473471).
102412420401 is an equidigital number, since it uses as much as digits as its factorization.
102412420401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34137473470.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 102412420401 its reverse (104024214201), we get a palindrome (206436634602).
The spelling of 102412420401 in words is "one hundred two billion, four hundred twelve million, four hundred twenty thousand, four hundred one".
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