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1444745005 = 51126268091
BaseRepresentation
bin101011000011101…
…0000111100101101
310201200112122120021
41112013100330231
510424323320010
6355205522141
750542062364
oct12607207455
93650478507
101444745005
11681580340
12343a13351
131a0417002
14d9c3c7db
1586c828da
hex561d0f2d

1444745005 has 8 divisors (see below), whose sum is σ = 1891302624. Its totient is φ = 1050723600.

The previous prime is 1444744927. The next prime is 1444745021. The reversal of 1444745005 is 5005474441.

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

It is a de Polignac number, because none of the positive numbers 2k-1444745005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13133991 + ... + 13134100.

It is an arithmetic number, because the mean of its divisors is an integer number (236412828).

Almost surely, 21444745005 is an apocalyptic number.

It is an amenable number.

1444745005 is a deficient number, since it is larger than the sum of its proper divisors (446557619).

1444745005 is a wasteful number, since it uses less digits than its factorization.

1444745005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26268107.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 1444745005 is about 38009.8014333145. The cubic root of 1444745005 is about 1130.4822138540.

The spelling of 1444745005 in words is "one billion, four hundred forty-four million, seven hundred forty-five thousand, five".

Divisors: 1 5 11 55 26268091 131340455 288949001 1444745005