Base | Representation |
---|---|
bin | 111011110011010010… |
… | …111011110010110111 |
3 | 20010202000000112011011 |
4 | 323303102323302313 |
5 | 2023001102303033 |
6 | 45255344253051 |
7 | 4432134426565 |
oct | 736322736267 |
9 | 203660015134 |
10 | 64211369143 |
11 | 2526070a029 |
12 | 10540311187 |
13 | 60940b69ac |
14 | 3171d08a35 |
15 | 1a0c32accd |
hex | ef34bbcb7 |
64211369143 has 8 divisors (see below), whose sum is σ = 64402275600. Its totient is φ = 64020595968.
The previous prime is 64211369141. The next prime is 64211369161. The reversal of 64211369143 is 34196311246.
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 64211369143 - 21 = 64211369141 is a prime.
It is a super-2 number, since 2×642113691432 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 64211369096 and 64211369105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64211369141) 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, 976848 + ... + 1040506.
It is an arithmetic number, because the mean of its divisors is an integer number (8050284450).
Almost surely, 264211369143 is an apocalyptic number.
64211369143 is a deficient number, since it is larger than the sum of its proper divisors (190906457).
64211369143 is a wasteful number, since it uses less digits than its factorization.
64211369143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66641.
The product of its digits is 93312, while the sum is 40.
The spelling of 64211369143 in words is "sixty-four billion, two hundred eleven million, three hundred sixty-nine thousand, one hundred forty-three".
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