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13105522144 = 2511132863969
BaseRepresentation
bin11000011010010011…
…00110010111100000
31020211100100111122001
430031021212113200
5203320003202034
610004240453344
7642524046241
oct141511462740
936740314561
1013105522144
1156157a8840
12265901a254
13130b1c9b40
148c4796cc8
1551a847a14
hex30d2665e0

13105522144 has 48 divisors (see below), whose sum is σ = 30312258480. Its totient is φ = 5498818560.

The previous prime is 13105522141. The next prime is 13105522181. The reversal of 13105522144 is 44122550131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105522141) 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, 1427409 + ... + 1436560.

It is an arithmetic number, because the mean of its divisors is an integer number (631505385).

Almost surely, 213105522144 is an apocalyptic number.

It is an amenable number.

13105522144 is an abundant number, since it is smaller than the sum of its proper divisors (17206736336).

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

13105522144 is a wasteful number, since it uses less digits than its factorization.

13105522144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864003 (or 2863995 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 13105522144 in words is "thirteen billion, one hundred five million, five hundred twenty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 88 104 143 176 208 286 352 416 572 1144 2288 4576 2863969 5727938 11455876 22911752 31503659 37231597 45823504 63007318 74463194 91647008 126014636 148926388 252029272 297852776 409547567 504058544 595705552 819095134 1008117088 1191411104 1638190268 3276380536 6552761072 13105522144