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260080328261 = 13432691729591
BaseRepresentation
bin1111001000110111111…
…1101101111001000101
3220212022110000120220102
43302031333231321011
513230121031001021
6315251304013445
724535014212615
oct3621577557105
9825273016812
10260080328261
11a0332624056
12424a4461285
131b6aa5c2c80
14c8334c4a45
156b72c9300b
hex3c8dfede45

260080328261 has 16 divisors (see below), whose sum is σ = 287665741440. Its totient is φ = 233619180480.

The previous prime is 260080328239. The next prime is 260080328311. The reversal of 260080328261 is 162823080062.

It is a cyclic number.

It is not a de Polignac number, because 260080328261 - 214 = 260080311877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260080321261) 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, 714425 + ... + 1015166.

It is an arithmetic number, because the mean of its divisors is an integer number (17979108840).

Almost surely, 2260080328261 is an apocalyptic number.

It is an amenable number.

260080328261 is a deficient number, since it is larger than the sum of its proper divisors (27585413179).

260080328261 is a wasteful number, since it uses less digits than its factorization.

260080328261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729916.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 260080328261 in words is "two hundred sixty billion, eighty million, three hundred twenty-eight thousand, two hundred sixty-one".

Divisors: 1 13 43 269 559 3497 11567 150371 1729591 22484683 74372413 465259979 966841369 6048379727 20006179097 260080328261