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5427118081 = 71182318563
BaseRepresentation
bin1010000110111101…
…10100000000000001
3112000020002011102101
411003132310000001
542103320234311
62254305550401
7251326512460
oct50336640001
915006064371
105427118081
112335515160
121075645401
136864a6498
14396ac49d7
1521b6c4ec1
hex1437b4001

5427118081 has 16 divisors (see below), whose sum is σ = 6767889408. Its totient is φ = 4227915600.

The previous prime is 5427118069. The next prime is 5427118091. The reversal of 5427118081 is 1808117245.

It is a cyclic number.

It is not a de Polignac number, because 5427118081 - 25 = 5427118049 is a prime.

It is a super-2 number, since 2×54271180812 = 58907221330234245122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5427118081.

It is not an unprimeable number, because it can be changed into a prime (5427118001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629506 + ... + 638068.

It is an arithmetic number, because the mean of its divisors is an integer number (422993088).

Almost surely, 25427118081 is an apocalyptic number.

It is an amenable number.

5427118081 is a deficient number, since it is larger than the sum of its proper divisors (1340771327).

5427118081 is a wasteful number, since it uses less digits than its factorization.

5427118081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16812.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 5427118081 is about 73668.9763808348. The cubic root of 5427118081 is about 1757.3425460661.

The spelling of 5427118081 in words is "five billion, four hundred twenty-seven million, one hundred eighteen thousand, eighty-one".

Divisors: 1 7 11 77 8231 8563 57617 59941 90541 94193 633787 659351 70482053 493374371 775302583 5427118081