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13245063040 = 275111881401
BaseRepresentation
bin11000101010111011…
…11001111110000000
31021012001220220202101
430111131321332000
5204111214004130
610030143400144
7646140115066
oct142535717600
937161826671
1013245063040
1156875469a0
1226978b3054
1313310a6211
148d911c036
15527c0d1ca
hex315779f80

13245063040 has 64 divisors (see below), whose sum is σ = 34542540720. Its totient is φ = 4816384000.

The previous prime is 13245063031. The next prime is 13245063047. The reversal of 13245063040 is 4036054231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245063047) 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, 933661 + ... + 947740.

Almost surely, 213245063040 is an apocalyptic number.

13245063040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13245063040 is an abundant number, since it is smaller than the sum of its proper divisors (21297477680).

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

13245063040 is a wasteful number, since it uses less digits than its factorization.

13245063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881431 (or 1881419 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 13245063040 in words is "thirteen billion, two hundred forty-five million, sixty-three thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1760 3520 7040 1881401 3762802 7525604 9407005 15051208 18814010 20695411 30102416 37628020 41390822 60204832 75256040 82781644 103477055 120409664 150512080 165563288 206954110 240819328 301024160 331126576 413908220 602048320 662253152 827816440 1204096640 1324506304 1655632880 2649012608 3311265760 6622531520 13245063040