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1444168661292 = 2234710317934537
BaseRepresentation
bin10101000000111111001…
…010001111100100101100
312010001122121010021020000
4111000333022033210230
5142130124134130132
63023235242224300
7206223563036220
oct25007712174454
95101577107200
101444168661292
11507517618255
121b3a811b5090
13a6252511a06
144dc806b2780
1527875ad587c
hex1503f28f92c

1444168661292 has 240 divisors, whose sum is σ = 4381032015360. Its totient is φ = 406319079168.

The previous prime is 1444168661281. The next prime is 1444168661293. The reversal of 1444168661292 is 2921668614441.

1444168661292 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 16 + 8 + 6 + 612 + 9 + 2 = 666.

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 (1444168661293) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 41797848 + ... + 41832384.

It is an arithmetic number, because the mean of its divisors is an integer number (18254300064).

Almost surely, 21444168661292 is an apocalyptic number.

1444168661292 is a gapful number since it is divisible by the number (12) 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 1444168661292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2190516007680).

1444168661292 is an abundant number, since it is smaller than the sum of its proper divisors (2936863354068).

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

1444168661292 is a wasteful number, since it uses less digits than its factorization.

1444168661292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34842 (or 34831 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 1444168661292 in words is "one trillion, four hundred forty-four billion, one hundred sixty-eight million, six hundred sixty-one thousand, two hundred ninety-two".