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1444025406442 = 2972174273501
BaseRepresentation
bin10101000000110110100…
…111110001001111101010
312010001021121120011111211
4111000312213301033222
5142124331001001232
63023213123543334
7206220203301463
oct25006647611752
95101247504454
101444025406442
11507453772813
121b3a4122ab4a
13a622b935028
144dc69661d6a
1527868239a47
hex150369f13ea

1444025406442 has 8 divisors (see below), whose sum is σ = 2166260959332. Its totient is φ = 721938420000.

The previous prime is 1444025406431. The next prime is 1444025406449. The reversal of 1444025406442 is 2446045204441.

It can be written as a sum of positive squares in 2 ways, for example, as 1440722490601 + 3302915841 = 1200301^2 + 57471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1444025406395 and 1444025406404.

It is not an unprimeable number, because it can be changed into a prime (1444025406449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37117309 + ... + 37156192.

Almost surely, 21444025406442 is an apocalyptic number.

1444025406442 is a deficient number, since it is larger than the sum of its proper divisors (722235552890).

1444025406442 is an equidigital number, since it uses as much as digits as its factorization.

1444025406442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74283224.

The product of its (nonzero) digits is 491520, while the sum is 40.

The spelling of 1444025406442 in words is "one trillion, four hundred forty-four billion, twenty-five million, four hundred six thousand, four hundred forty-two".

Divisors: 1 2 9721 19442 74273501 148547002 722012703221 1444025406442