Base | Representation |
---|---|
bin | 110100101000001100… |
… | …101110101100010111 |
3 | 12101212012122122200101 |
4 | 310220030232230113 |
5 | 1411212301003341 |
6 | 41543155554531 |
7 | 4040226402340 |
oct | 645014565427 |
9 | 171765578611 |
10 | 56509000471 |
11 | 21a68948490 |
12 | ab508bba47 |
13 | 54374224b1 |
14 | 2a40d990c7 |
15 | 170b022831 |
hex | d2832eb17 |
56509000471 has 32 divisors (see below), whose sum is σ = 73583516160. Its totient is φ = 42116630400.
The previous prime is 56509000391. The next prime is 56509000489. The reversal of 56509000471 is 17400090565.
56509000471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
56509000471 is a nontrivial binomial coefficient, being equal to C(336182, 2).
It is a cyclic number.
It is not a de Polignac number, because 56509000471 - 223 = 56500611863 is a prime.
It is a super-3 number, since 3×565090004713 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a self number, because there is not a number n which added to its sum of digits gives 56509000471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56509000571) 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, 1 + ... + 336181.
It is an arithmetic number, because the mean of its divisors is an integer number (2299484880).
Almost surely, 256509000471 is an apocalyptic number.
56509000471 is the 336181-st triangular number and also the 168091-st hexagonal number.
56509000471 is the 112061-st centered nonagonal number.
56509000471 is a deficient number, since it is larger than the sum of its proper divisors (17074515689).
56509000471 is a wasteful number, since it uses less digits than its factorization.
56509000471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336295.
The product of its (nonzero) digits is 37800, while the sum is 37.
The spelling of 56509000471 in words is "fifty-six billion, five hundred nine million, four hundred seventy-one", and thus it is an aban number.
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