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4911681431 = 19443583543
BaseRepresentation
bin1001001001100001…
…00100111110010111
3110200022012021021002
410210300210332113
540024342301211
62131214213515
7232500413636
oct44460447627
913608167232
104911681431
1120a0574a58
12b50ab429b
13603778097
1434847151d
151db30d03b
hex124c24f97

4911681431 has 8 divisors (see below), whose sum is σ = 5181870720. Its totient is φ = 4642660152.

The previous prime is 4911681353. The next prime is 4911681433. The reversal of 4911681431 is 1341861194.

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 4911681431 - 210 = 4911680407 is a prime.

It is a super-2 number, since 2×49116814312 = 48249228959260415522, 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 (4911681433) 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, 283355 + ... + 300188.

It is an arithmetic number, because the mean of its divisors is an integer number (647733840).

Almost surely, 24911681431 is an apocalyptic number.

4911681431 is a deficient number, since it is larger than the sum of its proper divisors (270189289).

4911681431 is a wasteful number, since it uses less digits than its factorization.

4911681431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584005.

The product of its digits is 20736, while the sum is 38.

The square root of 4911681431 is about 70083.3891232437. The cubic root of 4911681431 is about 1699.8479023093.

The spelling of 4911681431 in words is "four billion, nine hundred eleven million, six hundred eighty-one thousand, four hundred thirty-one".

Divisors: 1 19 443 8417 583543 11087317 258509549 4911681431