Base | Representation |
---|---|
bin | 1100001111000110001… |
… | …11000010110001110011 |
3 | 1111012011221100122111211 |
4 | 12013203013002301303 |
5 | 23342011024232011 |
6 | 521050024420551 |
7 | 42242310622243 |
oct | 6074307026163 |
9 | 1435157318454 |
10 | 420422102131 |
11 | 152333352a59 |
12 | 69592617757 |
13 | 308515c5745 |
14 | 164c4563b23 |
15 | ae09741b21 |
hex | 61e31c2c73 |
420422102131 has 16 divisors (see below), whose sum is σ = 424731525120. Its totient is φ = 416129616000.
The previous prime is 420422102101. The next prime is 420422102209. The reversal of 420422102131 is 131201224024.
It is a cyclic number.
It is not a de Polignac number, because 420422102131 - 27 = 420422102003 is a prime.
It is a super-2 number, since 2×4204221021312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (420422102101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136101435 + ... + 136104523.
It is an arithmetic number, because the mean of its divisors is an integer number (26545720320).
Almost surely, 2420422102131 is an apocalyptic number.
420422102131 is a deficient number, since it is larger than the sum of its proper divisors (4309422989).
420422102131 is a wasteful number, since it uses less digits than its factorization.
420422102131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5394.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 420422102131 its reverse (131201224024), we get a palindrome (551623326155).
The spelling of 420422102131 in words is "four hundred twenty billion, four hundred twenty-two million, one hundred two thousand, one hundred thirty-one".
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