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56416912473 = 318805637491
BaseRepresentation
bin110100100010101101…
…011100010001011001
312101121210101002200210
4310202231130101121
51411020212144343
641530110121333
74035030562245
oct644255342131
9171553332623
1056416912473
1121a209703a9
12ab25ab0249
13542131c05c
142a32a67425
151702dd2333
hexd22b5c459

56416912473 has 4 divisors (see below), whose sum is σ = 75222549968. Its totient is φ = 37611274980.

The previous prime is 56416912463. The next prime is 56416912481. The reversal of 56416912473 is 37421961465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56416912473 - 24 = 56416912457 is a prime.

It is a super-2 number, since 2×564169124732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56416912403) 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 3 ways as a sum of consecutive naturals, for example, 9402818743 + ... + 9402818748.

It is an arithmetic number, because the mean of its divisors is an integer number (18805637492).

Almost surely, 256416912473 is an apocalyptic number.

It is an amenable number.

56416912473 is a deficient number, since it is larger than the sum of its proper divisors (18805637495).

56416912473 is a wasteful number, since it uses less digits than its factorization.

56416912473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805637494.

The product of its digits is 1088640, while the sum is 48.

The spelling of 56416912473 in words is "fifty-six billion, four hundred sixteen million, nine hundred twelve thousand, four hundred seventy-three".

Divisors: 1 3 18805637491 56416912473