Base | Representation |
---|---|
bin | 10010001001010011000… |
… | …01110111001010010001 |
3 | 2012121021111011012021121 |
4 | 21010221201313022101 |
5 | 40203330023003330 |
6 | 1154230005322241 |
7 | 63021044031001 |
oct | 11045141671221 |
9 | 2177244135247 |
10 | 623467000465 |
11 | 220457960361 |
12 | a09b9a06381 |
13 | 46a3c6b93ba |
14 | 22266bb8001 |
15 | 1134017817a |
hex | 9129877291 |
623467000465 has 32 divisors (see below), whose sum is σ = 781126740000. Its totient is φ = 477131010048.
The previous prime is 623467000459. The next prime is 623467000469. The reversal of 623467000465 is 564000764326.
It can be written as a sum of positive squares in 16 ways, for example, as 336586785921 + 286880214544 = 580161^2 + 535612^2 .
It is a 3-Lehmer number, since φ(623467000465) divides (623467000465-1)3.
It is a cyclic number.
It is not a de Polignac number, because 623467000465 - 27 = 623467000337 is a prime.
It is a super-2 number, since 2×6234670004652 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (623467000469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8540841 + ... + 8613529.
It is an arithmetic number, because the mean of its divisors is an integer number (24410210625).
It is a Poulet number, since it divides 2623467000464-1.
Almost surely, 2623467000465 is an apocalyptic number.
It is an amenable number.
623467000465 is a deficient number, since it is larger than the sum of its proper divisors (157659739535).
623467000465 is a wasteful number, since it uses less digits than its factorization.
623467000465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73269.
The product of its (nonzero) digits is 725760, while the sum is 43.
The spelling of 623467000465 in words is "six hundred twenty-three billion, four hundred sixty-seven million, four hundred sixty-five", and thus it is an aban number.
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