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42240917214720 = 293557171274493
BaseRepresentation
bin10011001101010111110101…
…10111011001011000000000
312112120012012011000102100000
421212223322313121120000
521014033344301332340
6225501113125200000
711616543210064020
oct1146537267313000
9175505164012300
1042240917214720
11125062aa605094
1248a26a5860000
131a753bc243653
14a60685375a80
154d3bb3432d30
hex266afadd9600

42240917214720 has 1920 divisors, whose sum is σ = 185069050822656. Its totient is φ = 9013562966016.

The previous prime is 42240917214719. The next prime is 42240917214721. The reversal of 42240917214720 is 2741271904224.

42240917214720 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 0 + 9 + 172 + 1 + 472 + 0 = 666.

42240917214720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42240917214719) and next prime (42240917214721).

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240917214721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9401492794 + ... + 9401497286.

Almost surely, 242240917214720 is an apocalyptic number.

42240917214720 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 42240917214720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534525411328).

42240917214720 is an abundant number, since it is smaller than the sum of its proper divisors (142828133607936).

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

42240917214720 is a wasteful number, since it uses less digits than its factorization.

42240917214720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 42240917214720 in words is "forty-two trillion, two hundred forty billion, nine hundred seventeen million, two hundred fourteen thousand, seven hundred twenty".