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505125204331253 = 11422091087930847
BaseRepresentation
bin111001011011010001010000…
…0010111110000101011110101
32110020111111102222201210200112
41302312202200113300223311
51012201432404302100003
64550151152041352405
7211253043311113622
oct16266424027605365
92406444388653615
10505125204331253
11136a4843a292560
12487a0794a98705
13188b1143c1375c
148ca42943d9349
153d5e6ebe3e3d8
hex1cb68a05f0af5

505125204331253 has 8 divisors (see below), whose sum is σ = 551058733128960. Its totient is φ = 459193851479680.

The previous prime is 505125204331207. The next prime is 505125204331309. The reversal of 505125204331253 is 352133402521505.

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

It is a cyclic number.

It is not a de Polignac number, because 505125204331253 - 248 = 223650227620597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505125204331253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505125204321253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543501125 + ... + 544429722.

It is an arithmetic number, because the mean of its divisors is an integer number (68882341641120).

Almost surely, 2505125204331253 is an apocalyptic number.

It is an amenable number.

505125204331253 is a deficient number, since it is larger than the sum of its proper divisors (45933528797707).

505125204331253 is a wasteful number, since it uses less digits than its factorization.

505125204331253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087973067.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 505125204331253 its reverse (352133402521505), we get a palindrome (857258606852758).

The spelling of 505125204331253 in words is "five hundred five trillion, one hundred twenty-five billion, two hundred four million, three hundred thirty-one thousand, two hundred fifty-three".

Divisors: 1 11 42209 464299 1087930847 11967239317 45920473121023 505125204331253