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53888864240 = 245673610803
BaseRepresentation
bin110010001100000001…
…101100111111110000
312011002121101221110202
4302030001230333300
51340331022123430
640431201214332
73615262534241
oct621401547760
9164077357422
1053888864240
112094394a342
12a53b3313a8
13510a64c123
142872dd4cc8
151605eb5d45
hexc8c06cff0

53888864240 has 20 divisors (see below), whose sum is σ = 125291609544. Its totient is φ = 21555545664.

The previous prime is 53888864201. The next prime is 53888864251. The reversal of 53888864240 is 4246888835.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336805322 + ... + 336805481.

Almost surely, 253888864240 is an apocalyptic number.

It is an amenable number.

53888864240 is an abundant number, since it is smaller than the sum of its proper divisors (71402745304).

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

53888864240 is a wasteful number, since it uses less digits than its factorization.

53888864240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673610816 (or 673610810 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 56.

The spelling of 53888864240 in words is "fifty-three billion, eight hundred eighty-eight million, eight hundred sixty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 673610803 1347221606 2694443212 3368054015 5388886424 6736108030 10777772848 13472216060 26944432120 53888864240