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5464568681 = 111338213767
BaseRepresentation
bin1010001011011011…
…01011001101101001
3112002211112211222122
411011231223031221
542142412144211
62302124401025
7252263032055
oct50555531551
915084484878
105464568681
112354674370
1210860a6175
136911897c0
1439ba72c65
1521eb216db
hex145b6b369

5464568681 has 8 divisors (see below), whose sum is σ = 6419913024. Its totient is φ = 4585651920.

The previous prime is 5464568677. The next prime is 5464568771. The reversal of 5464568681 is 1868654645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5464568681 - 22 = 5464568677 is a prime.

It is a super-2 number, since 2×54645686812 = 59723021738732159522, which 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 (5464568671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19106741 + ... + 19107026.

It is an arithmetic number, because the mean of its divisors is an integer number (802489128).

Almost surely, 25464568681 is an apocalyptic number.

It is an amenable number.

5464568681 is a deficient number, since it is larger than the sum of its proper divisors (955344343).

5464568681 is a wasteful number, since it uses less digits than its factorization.

5464568681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38213791.

The product of its digits is 5529600, while the sum is 53.

The square root of 5464568681 is about 73922.7210064673. The cubic root of 5464568681 is about 1761.3755475148.

The spelling of 5464568681 in words is "five billion, four hundred sixty-four million, five hundred sixty-eight thousand, six hundred eighty-one".

Divisors: 1 11 13 143 38213767 420351437 496778971 5464568681