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214240452981408 = 253672235883301
BaseRepresentation
bin110000101101100110111110…
…000110001011001010100000
31001002120012001112021002000000
4300231212332012023022200
5211040103421430401113
62035352412210300000
763061235100420450
oct6055467606131240
91032505045232000
10214240452981408
116229995851a877
122004129a287600
139270a323b6289
143ac9416977d60
1519b7d44a75373
hexc2d9be18b2a0

214240452981408 has 336 divisors, whose sum is σ = 725971980013056. Its totient is φ = 60937056345600.

The previous prime is 214240452981403. The next prime is 214240452981419. The reversal of 214240452981408 is 804189254042412.

214240452981408 is a `hidden beast` number, since 2 + 1 + 4 + 2 + 40 + 452 + 9 + 8 + 140 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (214240452981403) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 33473358 + ... + 39356658.

It is an arithmetic number, because the mean of its divisors is an integer number (2160630892896).

Almost surely, 2214240452981408 is an apocalyptic number.

214240452981408 is a gapful number since it is divisible by the number (28) 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 214240452981408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362985990006528).

214240452981408 is an abundant number, since it is smaller than the sum of its proper divisors (511731527031648).

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

214240452981408 is an equidigital number, since it uses as much as digits as its factorization.

214240452981408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883559 (or 5883536 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 214240452981408 in words is "two hundred fourteen trillion, two hundred forty billion, four hundred fifty-two million, nine hundred eighty-one thousand, four hundred eight".