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4257755163480 = 2335731315750683
BaseRepresentation
bin111101111101010101111…
…110111110101101011000
3120002001000021111200101110
4331331111332332231120
51024224340310212410
613015552525420320
7616420066515000
oct75752576765530
916061007450343
104257755163480
1113a1781876a35
1258922170a6a0
1324b673775350
1410a10dac5000
1575b49a5a720
hex3df55fbeb58

4257755163480 has 512 divisors, whose sum is σ = 16144273152000. Its totient is φ = 892600031232.

The previous prime is 4257755163457. The next prime is 4257755163517. The reversal of 4257755163480 is 843615577524.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4257755163480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83982219 + ... + 84032901.

It is an arithmetic number, because the mean of its divisors is an integer number (31531783500).

Almost surely, 24257755163480 is an apocalyptic number.

4257755163480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4257755163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072136576000).

4257755163480 is an abundant number, since it is smaller than the sum of its proper divisors (11886517988520).

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

4257755163480 is a wasteful number, since it uses less digits than its factorization.

4257755163480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50888 (or 50870 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 4257755163480 in words is "four trillion, two hundred fifty-seven billion, seven hundred fifty-five million, one hundred sixty-three thousand, four hundred eighty".