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11949308448 = 2537111616519
BaseRepresentation
bin10110010000011101…
…11111101000100000
31010211202201202121120
423020032333220200
5143433010332243
65253415052240
7602054305650
oct131016775040
933752652546
1011949308448
115082089330
122395971080
1311857c671c
14814dc4360
1549e0aac83
hex2c83bfa20

11949308448 has 96 divisors (see below), whose sum is σ = 39106851840. Its totient is φ = 3103714560.

The previous prime is 11949308387. The next prime is 11949308491. The reversal of 11949308448 is 84480394911.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11949308448.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800868 + ... + 815651.

It is an arithmetic number, because the mean of its divisors is an integer number (407363040).

Almost surely, 211949308448 is an apocalyptic number.

It is an amenable number.

11949308448 is an abundant number, since it is smaller than the sum of its proper divisors (27157543392).

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

11949308448 is a wasteful number, since it uses less digits than its factorization.

11949308448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616550 (or 1616542 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 11949308448 in words is "eleven billion, nine hundred forty-nine million, three hundred eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 132 154 168 176 224 231 264 308 336 352 462 528 616 672 924 1056 1232 1848 2464 3696 7392 1616519 3233038 4849557 6466076 9699114 11315633 12932152 17781709 19398228 22631266 25864304 33946899 35563418 38796456 45262532 51728608 53345127 67893798 71126836 77592912 90525064 106690254 124471963 135787596 142253672 155185824 181050128 213380508 248943926 271575192 284507344 362100256 373415889 426761016 497887852 543150384 569014688 746831778 853522032 995775704 1086300768 1493663556 1707044064 1991551408 2987327112 3983102816 5974654224 11949308448