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5481164866481 = 67145956071577
BaseRepresentation
bin100111111000010111011…
…1000101000001110110001
3201101222211210200220210222
41033300232320220032301
51204300411201211411
615354002401302425
71104000242434013
oct117605670501661
921358753626728
105481164866481
111823604745407
12746353034a15
13309b43c7a105
1414d40b2aa1b3
159789e9d44db
hex4fc2ee283b1

5481164866481 has 8 divisors (see below), whose sum is σ = 5566786263840. Its totient is φ = 5395655615328.

The previous prime is 5481164866477. The next prime is 5481164866511. The reversal of 5481164866481 is 1846684611845.

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 5481164866481 - 22 = 5481164866477 is a prime.

It is a super-2 number, since 2×54811648664812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5481164866081) 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, 27938036 + ... + 28133541.

It is an arithmetic number, because the mean of its divisors is an integer number (695848282980).

Almost surely, 25481164866481 is an apocalyptic number.

It is an amenable number.

5481164866481 is a deficient number, since it is larger than the sum of its proper divisors (85621397359).

5481164866481 is a wasteful number, since it uses less digits than its factorization.

5481164866481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56073103.

The product of its digits is 35389440, while the sum is 62.

The spelling of 5481164866481 in words is "five trillion, four hundred eighty-one billion, one hundred sixty-four million, eight hundred sixty-six thousand, four hundred eighty-one".

Divisors: 1 67 1459 97753 56071577 3756795659 81808430843 5481164866481