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1304968071 = 311291363603
BaseRepresentation
bin100110111001000…
…0011101110000111
310100221112020122210
41031302003232013
510133032434241
6333253554503
744224021431
oct11562035607
93327466583
101304968071
1160a690910
12305045a33
1317a487374
14c5455651
1579872316
hex4dc83b87

1304968071 has 16 divisors (see below), whose sum is σ = 1963589760. Its totient is φ = 763617120.

The previous prime is 1304968069. The next prime is 1304968087. The reversal of 1304968071 is 1708694031.

It is not a de Polignac number, because 1304968071 - 21 = 1304968069 is a prime.

It is a super-2 number, since 2×13049680712 = 3405883332658922082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304968061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680845 + ... + 682758.

It is an arithmetic number, because the mean of its divisors is an integer number (122724360).

Almost surely, 21304968071 is an apocalyptic number.

1304968071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1304968071 is a deficient number, since it is larger than the sum of its proper divisors (658621689).

1304968071 is a wasteful number, since it uses less digits than its factorization.

1304968071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363646.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1304968071 is about 36124.3418071527. The cubic root of 1304968071 is about 1092.7814022706.

The spelling of 1304968071 in words is "one billion, three hundred four million, nine hundred sixty-eight thousand, seventy-one".

Divisors: 1 3 11 29 33 87 319 957 1363603 4090809 14999633 39544487 44998899 118633461 434989357 1304968071