Base | Representation |
---|---|
bin | 110100100011011111… |
… | …110001001101010111 |
3 | 12101122201012101000212 |
4 | 310203133301031113 |
5 | 1411032101333211 |
6 | 41531301000035 |
7 | 4035250660550 |
oct | 644337611527 |
9 | 171581171025 |
10 | 56430105431 |
11 | 21a28361477 |
12 | ab2a3b301b |
13 | 5423c8b03b |
14 | 2a346dd327 |
15 | 170413b38b |
hex | d237f1357 |
56430105431 has 32 divisors (see below), whose sum is σ = 68321280000. Its totient is φ = 45529700832.
The previous prime is 56430105367. The next prime is 56430105437. The reversal of 56430105431 is 13450103465.
It is not a de Polignac number, because 56430105431 - 26 = 56430105367 is a prime.
It is a super-3 number, since 3×564301054313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56430105437) 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, 33850460 + ... + 33852126.
It is an arithmetic number, because the mean of its divisors is an integer number (2135040000).
Almost surely, 256430105431 is an apocalyptic number.
56430105431 is a deficient number, since it is larger than the sum of its proper divisors (11891174569).
56430105431 is a wasteful number, since it uses less digits than its factorization.
56430105431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3171.
The product of its (nonzero) digits is 21600, while the sum is 32.
Adding to 56430105431 its reverse (13450103465), we get a palindrome (69880208896).
The spelling of 56430105431 in words is "fifty-six billion, four hundred thirty million, one hundred five thousand, four hundred thirty-one".
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