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15050415020531 = 112535954772719
BaseRepresentation
bin1101101100000011001010…
…1001000001100111110011
31222021210202022002210000012
43123000302221001213303
53433041222221124111
652002022030245135
73112233212613542
oct333006251014763
958253668083005
1015050415020531
114882932a08700
121830a556567ab
1385232bc5c887
143a063039a159
151b176868848b
hexdb032a419f3

15050415020531 has 48 divisors (see below), whose sum is σ = 17172403315200. Its totient is φ = 13172208329280.

The previous prime is 15050415020513. The next prime is 15050415020611. The reversal of 15050415020531 is 13502051405051.

It is not a de Polignac number, because 15050415020531 - 238 = 14775537113587 is a prime.

It is a super-2 number, since 2×150504150205312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15050415070531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206930390 + ... + 207003108.

It is an arithmetic number, because the mean of its divisors is an integer number (357758402400).

Almost surely, 215050415020531 is an apocalyptic number.

15050415020531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15050415020531 is a deficient number, since it is larger than the sum of its proper divisors (2121988294669).

15050415020531 is a wasteful number, since it uses less digits than its factorization.

15050415020531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73400 (or 73389 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 15050415020531 its reverse (13502051405051), we get a palindrome (28552466425582).

The spelling of 15050415020531 in words is "fifteen trillion, fifty billion, four hundred fifteen million, twenty thousand, five hundred thirty-one".

Divisors: 1 11 53 59 121 547 583 649 3127 6017 6413 7139 28991 32273 34397 66187 72719 318901 355003 378367 799909 1710469 3507911 3854107 3905033 4290421 8798999 18815159 39777293 42395177 47194631 206966749 227392313 437550223 466346947 519140941 2108196529 2346860287 2501315443 4813052453 23190161819 25815463157 27514469873 124383595211 255091780009 283970094727 1368219547321 15050415020531