Base | Representation |
---|---|
bin | 100110001101011… |
… | …101010011111101 |
3 | 1122200021022221021 |
4 | 212031131103331 |
5 | 2303102442031 |
6 | 143340104141 |
7 | 21612636556 |
oct | 4615352375 |
9 | 1580238837 |
10 | 641062141 |
11 | 2a9954525 |
12 | 15a835051 |
13 | a2a74a15 |
14 | 611d532d |
15 | 3b42e511 |
hex | 2635d4fd |
641062141 has 8 divisors (see below), whose sum is σ = 669193920. Its totient is φ = 612952032.
The previous prime is 641062087. The next prime is 641062207. The reversal of 641062141 is 141260146.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 641062141 - 213 = 641053949 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 (641060141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94305 + ... + 100873.
It is an arithmetic number, because the mean of its divisors is an integer number (83649240).
Almost surely, 2641062141 is an apocalyptic number.
It is an amenable number.
641062141 is a deficient number, since it is larger than the sum of its proper divisors (28131779).
641062141 is a wasteful number, since it uses less digits than its factorization.
641062141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10835.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 641062141 is about 25319.2049835693. The cubic root of 641062141 is about 862.2503444900.
The spelling of 641062141 in words is "six hundred forty-one million, sixty-two thousand, one hundred forty-one".
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