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104145231240 = 233251925160661
BaseRepresentation
bin110000011111110001…
…0100001110110001000
3100221211001121220111200
41200333202201312020
53201242134344430
6115502121424200
710344546600531
oct1407742416610
9327731556450
10104145231240
11401932a4746
121822603b060
139a895505ab
14507d7bb688
152a980eb460
hex183f8a1d88

104145231240 has 192 divisors, whose sum is σ = 357711681600. Its totient is φ = 26205120000.

The previous prime is 104145231217. The next prime is 104145231269. The reversal of 104145231240 is 42132541401.

104145231240 is a `hidden beast` number, since 1 + 0 + 4 + 14 + 523 + 124 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 1686510 + ... + 1747170.

It is an arithmetic number, because the mean of its divisors is an integer number (1863081675).

Almost surely, 2104145231240 is an apocalyptic number.

104145231240 is a gapful number since it is divisible by the number (10) 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 104145231240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178855840800).

104145231240 is an abundant number, since it is smaller than the sum of its proper divisors (253566450360).

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

104145231240 is a wasteful number, since it uses less digits than its factorization.

104145231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60948 (or 60941 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 104145231240 its reverse (42132541401), we get a palindrome (146277772641).

The spelling of 104145231240 in words is "one hundred four billion, one hundred forty-five million, two hundred thirty-one thousand, two hundred forty".