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13945895424 = 293219159287
BaseRepresentation
bin11001111110011110…
…10111101000000000
31022222220122220001100
430333033113220000
5212030122123144
610223500534400
71002410104146
oct147717275000
938886586040
1013945895424
115a0710470a
122852551400
131413347436
14964231596
155694e7269
hex33f3d7a00

13945895424 has 120 divisors (see below), whose sum is σ = 42367422240. Its totient is φ = 4403939328.

The previous prime is 13945895393. The next prime is 13945895449. The reversal of 13945895424 is 42459854931.

It is a happy number.

13945895424 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 589 + 54 + 2 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7909 + ... + 167195.

It is an arithmetic number, because the mean of its divisors is an integer number (353061852).

Almost surely, 213945895424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13945895424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21183711120).

13945895424 is an abundant number, since it is smaller than the sum of its proper divisors (28421526816).

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

13945895424 is a wasteful number, since it uses less digits than its factorization.

13945895424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159330 (or 159311 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 13945895424 in words is "thirteen billion, nine hundred forty-five million, eight hundred ninety-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 384 456 512 576 608 684 768 912 1152 1216 1368 1536 1824 2304 2432 2736 3648 4608 4864 5472 7296 9728 10944 14592 21888 29184 43776 87552 159287 318574 477861 637148 955722 1274296 1433583 1911444 2548592 2867166 3026453 3822888 5097184 5734332 6052906 7645776 9079359 10194368 11468664 12105812 15291552 18158718 20388736 22937328 24211624 27238077 30583104 36317436 40777472 45874656 48423248 54476154 61166208 72634872 81554944 91749312 96846496 108952308 122332416 145269744 183498624 193692992 217904616 244664832 290539488 366997248 387385984 435809232 581078976 733994496 774771968 871618464 1162157952 1549543936 1743236928 2324315904 3486473856 4648631808 6972947712 13945895424