Base | Representation |
---|---|
bin | 1100001111101101111… |
… | …01100001100111100011 |
3 | 1111020001011001022010101 |
4 | 12013312331201213203 |
5 | 23343201304320311 |
6 | 521143043043231 |
7 | 42253463530204 |
oct | 6076675414743 |
9 | 1436034038111 |
10 | 420755151331 |
11 | 15249434a829 |
12 | 69666070517 |
13 | 308a55c5388 |
14 | 1651689b5ab |
15 | ae28accec1 |
hex | 61f6f619e3 |
420755151331 has 2 divisors, whose sum is σ = 420755151332. Its totient is φ = 420755151330.
The previous prime is 420755151281. The next prime is 420755151379. The reversal of 420755151331 is 133151557024.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 420755151331 - 29 = 420755150819 is a prime.
It is a super-3 number, since 3×4207551513313 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (420755151431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210377575665 + 210377575666.
It is an arithmetic number, because the mean of its divisors is an integer number (210377575666).
Almost surely, 2420755151331 is an apocalyptic number.
420755151331 is a deficient number, since it is larger than the sum of its proper divisors (1).
420755151331 is an equidigital number, since it uses as much as digits as its factorization.
420755151331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 63000, while the sum is 37.
The spelling of 420755151331 in words is "four hundred twenty billion, seven hundred fifty-five million, one hundred fifty-one thousand, three hundred thirty-one".
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