Base | Representation |
---|---|
bin | 10010101010010101101… |
… | …10111001000101100100 |
3 | 2021022001202021022002010 |
4 | 21111022312321011210 |
5 | 41001142220440232 |
6 | 1210322130314220 |
7 | 64216453222203 |
oct | 11251266710544 |
9 | 2238052238063 |
10 | 641206030692 |
11 | 227a300a7317 |
12 | a432a728970 |
13 | 486088361a6 |
14 | 2306aab123a |
15 | 11a2c6820cc |
hex | 954adb9164 |
641206030692 has 24 divisors (see below), whose sum is σ = 1496283689376. Its totient is φ = 213715874368.
The previous prime is 641206030631. The next prime is 641206030697. The reversal of 641206030692 is 296030602146.
It is a super-2 number, since 2×6412060306922 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 641206030692.
It is not an unprimeable number, because it can be changed into a prime (641206030697) 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 7 ways as a sum of consecutive naturals, for example, 2296113 + ... + 2560184.
It is an arithmetic number, because the mean of its divisors is an integer number (62345153724).
Almost surely, 2641206030692 is an apocalyptic number.
It is an amenable number.
641206030692 is an abundant number, since it is smaller than the sum of its proper divisors (855077658684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
641206030692 is a wasteful number, since it uses less digits than its factorization.
641206030692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4867307 (or 4867305 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 39.
The spelling of 641206030692 in words is "six hundred forty-one billion, two hundred six million, thirty thousand, six hundred ninety-two".
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