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260406430160 = 2453827385049
BaseRepresentation
bin1111001010000101101…
…1101100100111010000
3220220011011122021121112
43302201123230213100
513231303021231120
6315343513312452
724546054064202
oct3624133544720
9826134567545
10260406430160
11a048a706258
1242575705728
131b73002c686
14c864930772
156b9170abc5
hex3ca16ec9d0

260406430160 has 40 divisors (see below), whose sum is σ = 605467888200. Its totient is φ = 104158625792.

The previous prime is 260406430159. The next prime is 260406430171. The reversal of 260406430160 is 61034604062.

260406430160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 68260967824 + 192145462336 = 261268^2 + 438344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3019316 + ... + 3104364.

It is an arithmetic number, because the mean of its divisors is an integer number (15136697205).

Almost surely, 2260406430160 is an apocalyptic number.

260406430160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260406430160 is an abundant number, since it is smaller than the sum of its proper divisors (345061458040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260406430160 is a wasteful number, since it uses less digits than its factorization.

260406430160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123335 (or 123329 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 260406430160 in words is "two hundred sixty billion, four hundred six million, four hundred thirty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 38273 76546 85049 153092 170098 191365 306184 340196 382730 425245 612368 680392 765460 850490 1360784 1530920 1700980 3061840 3401960 6803920 3255080377 6510160754 13020321508 16275401885 26040643016 32550803770 52081286032 65101607540 130203215080 260406430160