Base | Representation |
---|---|
bin | 10010101010100011110… |
… | …01101011010100100111 |
3 | 2021022100222121222121122 |
4 | 21111101321223110213 |
5 | 41001412443420010 |
6 | 1210341551204155 |
7 | 64222416523613 |
oct | 11252171532447 |
9 | 2238328558548 |
10 | 641324201255 |
11 | 227a90879641 |
12 | a436221665b |
13 | 4862716c4ba |
14 | 2307c672343 |
15 | 11a37c25855 |
hex | 9551e6b527 |
641324201255 has 16 divisors (see below), whose sum is σ = 814887350784. Its totient is φ = 482862589440.
The previous prime is 641324201227. The next prime is 641324201257. The reversal of 641324201255 is 552102423146.
It is not a de Polignac number, because 641324201255 - 224 = 641307424039 is a prime.
It is a super-2 number, since 2×6413242012552 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (641324201257) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675729 + ... + 2905541.
It is an arithmetic number, because the mean of its divisors is an integer number (50930459424).
Almost surely, 2641324201255 is an apocalyptic number.
641324201255 is a deficient number, since it is larger than the sum of its proper divisors (173563149529).
641324201255 is a wasteful number, since it uses less digits than its factorization.
641324201255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262666.
The product of its (nonzero) digits is 57600, while the sum is 35.
The spelling of 641324201255 in words is "six hundred forty-one billion, three hundred twenty-four million, two hundred one thousand, two hundred fifty-five".
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