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5461051813 = 72877127081
BaseRepresentation
bin1010001011000000…
…10000100110100101
3112002120221011202021
411011200100212211
542141012124223
62301521143141
7252221113600
oct50540204645
915076834667
105461051813
112352692068
121084a8aab1
13690527b09
1439b3d9337
1521e67965d
hex1458109a5

5461051813 has 12 divisors (see below), whose sum is σ = 6359945772. Its totient is φ = 4675527360.

The previous prime is 5461051811. The next prime is 5461051861. The reversal of 5461051813 is 3181501645.

It can be written as a sum of positive squares in 2 ways, for example, as 3273899524 + 2187152289 = 57218^2 + 46767^2 .

It is not a de Polignac number, because 5461051813 - 21 = 5461051811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5461051811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20568 + ... + 106513.

It is an arithmetic number, because the mean of its divisors is an integer number (529995481).

Almost surely, 25461051813 is an apocalyptic number.

It is an amenable number.

5461051813 is a deficient number, since it is larger than the sum of its proper divisors (898893959).

5461051813 is a wasteful number, since it uses less digits than its factorization.

5461051813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127972 (or 127965 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 5461051813 is about 73898.9297148477. The cubic root of 5461051813 is about 1760.9976064537.

The spelling of 5461051813 in words is "five billion, four hundred sixty-one million, fifty-one thousand, eight hundred thirteen".

Divisors: 1 7 49 877 6139 42973 127081 889567 6226969 111450037 780150259 5461051813