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5209258210385 = 53972624311441
BaseRepresentation
bin100101111001101111111…
…1111000011010001010001
3200110000000011100121222112
41023303133333003101101
51140322030100213020
615025033350115105
71045233163126145
oct113633777032121
920400004317875
105209258210385
1117292635001a9
1270170a04ba95
132ba3004bc228
141401b5295225
15907888792c5
hex4bcdffc3451

5209258210385 has 8 divisors (see below), whose sum is σ = 6266855723496. Its totient is φ = 4156909320960.

The previous prime is 5209258210339. The next prime is 5209258210399. The reversal of 5209258210385 is 5830128529025.

It can be written as a sum of positive squares in 4 ways, for example, as 1931677463104 + 3277580747281 = 1389848^2 + 1810409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5209258210385 - 210 = 5209258209361 is a prime.

It is a super-2 number, since 2×52092582103852 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312153736 + ... + 1312157705.

It is an arithmetic number, because the mean of its divisors is an integer number (783356965437).

Almost surely, 25209258210385 is an apocalyptic number.

It is an amenable number.

5209258210385 is a deficient number, since it is larger than the sum of its proper divisors (1057597513111).

5209258210385 is a wasteful number, since it uses less digits than its factorization.

5209258210385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624311843.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 5209258210385 in words is "five trillion, two hundred nine billion, two hundred fifty-eight million, two hundred ten thousand, three hundred eighty-five".

Divisors: 1 5 397 1985 2624311441 13121557205 1041851642077 5209258210385