Base | Representation |
---|---|
bin | 111100111010111111… |
… | …010000111010000000 |
3 | 20020211211022020212210 |
4 | 330322333100322000 |
5 | 2032432012003123 |
6 | 50014552422120 |
7 | 4504011201363 |
oct | 747277207200 |
9 | 206754266783 |
10 | 65414172288 |
11 | 2581865a913 |
12 | 108170a7940 |
13 | 622635002a |
14 | 32479680da |
15 | 1a7cc1be93 |
hex | f3afd0e80 |
65414172288 has 32 divisors (see below), whose sum is σ = 173756396160. Its totient is φ = 21804723968.
The previous prime is 65414172283. The next prime is 65414172293. The reversal of 65414172288 is 88227141456.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (65414172283) and next prime (65414172293).
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×654141722882 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (65414172283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85174320 + ... + 85175087.
It is an arithmetic number, because the mean of its divisors is an integer number (5429887380).
Almost surely, 265414172288 is an apocalyptic number.
It is an amenable number.
65414172288 is an abundant number, since it is smaller than the sum of its proper divisors (108342223872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65414172288 is a wasteful number, since it uses less digits than its factorization.
65414172288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170349424 (or 170349412 counting only the distinct ones).
The product of its digits is 860160, while the sum is 48.
The spelling of 65414172288 in words is "sixty-five billion, four hundred fourteen million, one hundred seventy-two thousand, two hundred eighty-eight".
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