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3530781413 is a prime number
BaseRepresentation
bin1101001001110011…
…0111001011100101
3100010001210021112222
43102130313023211
524212340001123
61342204522125
7153332101235
oct32234671345
910101707488
103530781413
111552041375
12826550345
13443656193
14256cd1cc5
15159e8c6c8
hexd27372e5

3530781413 has 2 divisors, whose sum is σ = 3530781414. Its totient is φ = 3530781412.

The previous prime is 3530781409. The next prime is 3530781431. The reversal of 3530781413 is 3141870353.

Together with next prime (3530781431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2614992769 + 915788644 = 51137^2 + 30262^2 .

It is a cyclic number.

It is not a de Polignac number, because 3530781413 - 22 = 3530781409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3530781433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765390706 + 1765390707.

It is an arithmetic number, because the mean of its divisors is an integer number (1765390707).

Almost surely, 23530781413 is an apocalyptic number.

It is an amenable number.

3530781413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3530781413 is an equidigital number, since it uses as much as digits as its factorization.

3530781413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3530781413 is about 59420.3787685673. The cubic root of 3530781413 is about 1522.7324771570.

The spelling of 3530781413 in words is "three billion, five hundred thirty million, seven hundred eighty-one thousand, four hundred thirteen".