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5681970541 = 13437074657
BaseRepresentation
bin1010100101010101…
…11111110101101101
3112122222122000021101
411102222333311231
543114041024131
62335452203101
7260542644532
oct52252776555
915588560241
105681970541
112456362625
121126a69491
136c7227760
143bc8a4d89
15233c66c61
hex152abfd6d

5681970541 has 4 divisors (see below), whose sum is σ = 6119045212. Its totient is φ = 5244895872.

The previous prime is 5681970529. The next prime is 5681970557. The reversal of 5681970541 is 1450791865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1791828900 + 3890141641 = 42330^2 + 62371^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681970541 - 25 = 5681970509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5681970491 and 5681970500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681970341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218537316 + ... + 218537341.

It is an arithmetic number, because the mean of its divisors is an integer number (1529761303).

Almost surely, 25681970541 is an apocalyptic number.

It is an amenable number.

5681970541 is a deficient number, since it is larger than the sum of its proper divisors (437074671).

5681970541 is a wasteful number, since it uses less digits than its factorization.

5681970541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437074670.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 5681970541 is about 75378.8467741448. The cubic root of 5681970541 is about 1784.4305884378.

The spelling of 5681970541 in words is "five billion, six hundred eighty-one million, nine hundred seventy thousand, five hundred forty-one".

Divisors: 1 13 437074657 5681970541