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1304016061 = 12710267843
BaseRepresentation
bin100110110111001…
…1011010010111101
310100212201212202011
41031232123102331
510132312003221
6333221331221
744212645045
oct11556332275
93325655664
101304016061
1160a0a0627
12304866b11
1317a212c4a
14c5288725
15797351e1
hex4db9b4bd

1304016061 has 4 divisors (see below), whose sum is σ = 1314284032. Its totient is φ = 1293748092.

The previous prime is 1304016047. The next prime is 1304016079. The reversal of 1304016061 is 1606104031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1304016061 - 215 = 1303983293 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 (1304016011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133795 + ... + 5134048.

It is an arithmetic number, because the mean of its divisors is an integer number (328571008).

Almost surely, 21304016061 is an apocalyptic number.

It is an amenable number.

1304016061 is a deficient number, since it is larger than the sum of its proper divisors (10267971).

1304016061 is a wasteful number, since it uses less digits than its factorization.

1304016061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267970.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1304016061 is about 36111.1625539805. The cubic root of 1304016061 is about 1092.5155996216.

The spelling of 1304016061 in words is "one billion, three hundred four million, sixteen thousand, sixty-one".

Divisors: 1 127 10267843 1304016061