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61130411 is a prime number
BaseRepresentation
bin1110100100110…
…0011010101011
311021000202011022
43221030122223
5111122133121
610022123055
71341412526
oct351143253
9137022138
1061130411
1131563201
121858048b
13c884654
148193bbd
155577aab
hex3a4c6ab

61130411 has 2 divisors, whose sum is σ = 61130412. Its totient is φ = 61130410.

The previous prime is 61130383. The next prime is 61130417. The reversal of 61130411 is 11403116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61130411 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 61130411.

It is not a weakly prime, because it can be changed into another prime (61130417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30565205 + 30565206.

It is an arithmetic number, because the mean of its divisors is an integer number (30565206).

Almost surely, 261130411 is an apocalyptic number.

61130411 is a deficient number, since it is larger than the sum of its proper divisors (1).

61130411 is an equidigital number, since it uses as much as digits as its factorization.

61130411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 61130411 is about 7818.5939272992. The cubic root of 61130411 is about 393.9300446115.

Adding to 61130411 its reverse (11403116), we get a palindrome (72533527).

The spelling of 61130411 in words is "sixty-one million, one hundred thirty thousand, four hundred eleven".