Base | Representation |
---|---|
bin | 11001000010011… |
… | …100000011101011 |
3 | 1002021102202011202 |
4 | 121002130003223 |
5 | 1330014211421 |
6 | 105403314415 |
7 | 13260350513 |
oct | 3102340353 |
9 | 1067382152 |
10 | 420069611 |
11 | 1a6133575 |
12 | b881ba0b |
13 | 6904a600 |
14 | 3db0a843 |
15 | 26d2a10b |
hex | 1909c0eb |
420069611 has 12 divisors (see below), whose sum is σ = 470558880. Its totient is φ = 374381280.
The previous prime is 420069589. The next prime is 420069653. The reversal of 420069611 is 116960024.
It is not a de Polignac number, because 420069611 - 218 = 419807467 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (420069011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37955 + ... + 47756.
It is an arithmetic number, because the mean of its divisors is an integer number (39213240).
Almost surely, 2420069611 is an apocalyptic number.
420069611 is a deficient number, since it is larger than the sum of its proper divisors (50489269).
420069611 is a wasteful number, since it uses less digits than its factorization.
420069611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85766 (or 85753 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 420069611 is about 20495.5997960538. The cubic root of 420069611 is about 748.9286100788.
The spelling of 420069611 in words is "four hundred twenty million, sixty-nine thousand, six hundred eleven".
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