Base | Representation |
---|---|
bin | 1111010010100… |
… | …0101111010001 |
3 | 11110200010211020 |
4 | 3310220233101 |
5 | 112404130001 |
6 | 10210310053 |
7 | 1406044635 |
oct | 364505721 |
9 | 143603736 |
10 | 64130001 |
11 | 33221901 |
12 | 19588329 |
13 | 10394a60 |
14 | 8734dc5 |
15 | 596b736 |
hex | 3d28bd1 |
64130001 has 32 divisors (see below), whose sum is σ = 98195328. Its totient is φ = 36879360.
The previous prime is 64129987. The next prime is 64130021. The reversal of 64130001 is 10003146.
It is not a de Polignac number, because 64130001 - 29 = 64129489 is a prime.
It is a super-2 number, since 2×641300012 = 8225314056520002, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (64130021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130366 + ... + 130856.
It is an arithmetic number, because the mean of its divisors is an integer number (3068604).
Almost surely, 264130001 is an apocalyptic number.
It is an amenable number.
64130001 is a deficient number, since it is larger than the sum of its proper divisors (34065327).
64130001 is a wasteful number, since it uses less digits than its factorization.
64130001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 64130001 is about 8008.1209406452. The cubic root of 64130001 is about 400.2706522438.
Adding to 64130001 its reverse (10003146), we get a palindrome (74133147).
The spelling of 64130001 in words is "sixty-four million, one hundred thirty thousand, one".
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