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1444721379360 = 25357592149829
BaseRepresentation
bin10101000001100000000…
…110101100100000100000
312010010002010011020212120
4111001200012230200200
5142132242133114420
63023410145024240
7206243354051160
oct25014006544040
95103063136776
101444721379360
11507780611546
121b3bb6325080
13a630cb9441c
144dcd3c6c5a0
15278a93b3d40
hex150601ac820

1444721379360 has 576 divisors, whose sum is σ = 5332576032000. Its totient is φ = 322057396224.

The previous prime is 1444721379331. The next prime is 1444721379389. The reversal of 1444721379360 is 639731274441.

It is an interprime number because it is at equal distance from previous prime (1444721379331) and next prime (1444721379389).

It is a super-2 number, since 2×14447213793602 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1742727426 + ... + 1742728254.

It is an arithmetic number, because the mean of its divisors is an integer number (9257944500).

Almost surely, 21444721379360 is an apocalyptic number.

1444721379360 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 1444721379360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2666288016000).

1444721379360 is an abundant number, since it is smaller than the sum of its proper divisors (3887854652640).

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

1444721379360 is a wasteful number, since it uses less digits than its factorization.

1444721379360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 1444721379360 in words is "one trillion, four hundred forty-four billion, seven hundred twenty-one million, three hundred seventy-nine thousand, three hundred sixty".