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5456556181 = 172391342987
BaseRepresentation
bin1010001010011110…
…00111000010010101
3112002021110202220101
411011033013002111
542133334244211
62301240534101
7252134651026
oct50517070225
915067422811
105456556181
1123500a146a
121083481331
1368c61278b
1439a988c4d
1521e08c5c1
hex1453c7095

5456556181 has 8 divisors (see below), whose sum is σ = 5801708160. Its totient is φ = 5114090688.

The previous prime is 5456556137. The next prime is 5456556197. The reversal of 5456556181 is 1816556545.

5456556181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5456556181 - 29 = 5456555669 is a prime.

It is a super-2 number, since 2×54565561812 = 59548010712818609522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5456556881) 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, 667431 + ... + 675556.

It is an arithmetic number, because the mean of its divisors is an integer number (725213520).

Almost surely, 25456556181 is an apocalyptic number.

It is an amenable number.

5456556181 is a deficient number, since it is larger than the sum of its proper divisors (345151979).

5456556181 is a wasteful number, since it uses less digits than its factorization.

5456556181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343243.

The product of its digits is 720000, while the sum is 46.

The square root of 5456556181 is about 73868.5060157575. The cubic root of 5456556181 is about 1760.5142459295.

The spelling of 5456556181 in words is "five billion, four hundred fifty-six million, five hundred fifty-six thousand, one hundred eighty-one".

Divisors: 1 17 239 4063 1342987 22830779 320973893 5456556181