Base | Representation |
---|---|
bin | 10010101001111101010… |
… | …11010101101011000101 |
3 | 2021021112111201222101212 |
4 | 21110332223111223011 |
5 | 41000232412103321 |
6 | 1210245550301205 |
7 | 64211422225310 |
oct | 11247653255305 |
9 | 2237474658355 |
10 | 641001675461 |
11 | 22793580a1a4 |
12 | a42921b7805 |
13 | 485a53b5734 |
14 | 2304b8b7977 |
15 | 11a1976755b |
hex | 953ead5ac5 |
641001675461 has 16 divisors (see below), whose sum is σ = 742450828800. Its totient is φ = 542033227008.
The previous prime is 641001675373. The next prime is 641001675473. The reversal of 641001675461 is 164576100146.
It is not a de Polignac number, because 641001675461 - 234 = 623821806277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (641001675661) 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, 208061 + ... + 1151213.
It is an arithmetic number, because the mean of its divisors is an integer number (46403176800).
Almost surely, 2641001675461 is an apocalyptic number.
It is an amenable number.
641001675461 is a deficient number, since it is larger than the sum of its proper divisors (101449153339).
641001675461 is a wasteful number, since it uses less digits than its factorization.
641001675461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 944468.
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 641001675461 in words is "six hundred forty-one billion, one million, six hundred seventy-five thousand, four hundred sixty-one".
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