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13050444253 = 7211191274333
BaseRepresentation
bin11000010011101110…
…11111100111011101
31020200111201020222011
430021313133213131
5203211403204003
65554552151221
7641254642300
oct141167374735
936614636864
1013050444253
1155976a9a20
122642698511
1312cc984382
148bb33ab37
15515ab846d
hex309ddf9dd

13050444253 has 24 divisors (see below), whose sum is σ = 17432889120. Its totient is φ = 9633949920.

The previous prime is 13050444223. The next prime is 13050444271. The reversal of 13050444253 is 35244405031.

It is not a de Polignac number, because 13050444253 - 217 = 13050313181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13050444223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626926 + ... + 647407.

It is an arithmetic number, because the mean of its divisors is an integer number (726370380).

Almost surely, 213050444253 is an apocalyptic number.

It is an amenable number.

13050444253 is a deficient number, since it is larger than the sum of its proper divisors (4382444867).

13050444253 is a wasteful number, since it uses less digits than its factorization.

13050444253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274377 (or 1274370 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 13050444253 its reverse (35244405031), we get a palindrome (48294849284).

The spelling of 13050444253 in words is "thirteen billion, fifty million, four hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 7 11 19 49 77 133 209 539 931 1463 10241 1274333 8920331 14017663 24212327 62442317 98123641 169486289 266335597 686865487 1186404023 1864349179 13050444253