Base | Representation |
---|---|
bin | 111011101111001000… |
… | …110011110101001101 |
3 | 20010120010202012102020 |
4 | 323233020303311031 |
5 | 2022330222344341 |
6 | 45244413120353 |
7 | 4430326441260 |
oct | 735710636515 |
9 | 203503665366 |
10 | 64141606221 |
11 | 252252a0120 |
12 | 10520a890b9 |
13 | 60827cc064 |
14 | 3166948cd7 |
15 | 1a0614a566 |
hex | eef233d4d |
64141606221 has 32 divisors (see below), whose sum is σ = 106674167808. Its totient is φ = 33304952640.
The previous prime is 64141606211. The next prime is 64141606231. The reversal of 64141606221 is 12260614146.
It is an interprime number because it is at equal distance from previous prime (64141606211) and next prime (64141606231).
It is not a de Polignac number, because 64141606221 - 25 = 64141606189 is a prime.
It is a super-2 number, since 2×641416062212 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64141606211) 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, 446911 + ... + 572723.
It is an arithmetic number, because the mean of its divisors is an integer number (3333567744).
Almost surely, 264141606221 is an apocalyptic number.
It is an amenable number.
64141606221 is a deficient number, since it is larger than the sum of its proper divisors (42532561587).
64141606221 is a wasteful number, since it uses less digits than its factorization.
64141606221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128041.
The product of its (nonzero) digits is 13824, while the sum is 33.
The spelling of 64141606221 in words is "sixty-four billion, one hundred forty-one million, six hundred six thousand, two hundred twenty-one".
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