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1440045424249 = 71191106190209
BaseRepresentation
bin10100111101001001011…
…001010101111001111001
312002200000020112010022221
4110331021121111321321
5142043203112033444
63021314151044041
7206016445100035
oct24751131257171
95080006463287
101440045424249
115057a1111233
121b3110370621
13a5a46201b93
144d9acc3d1c5
15276d3b1aa84
hex14f49655e79

1440045424249 has 8 divisors (see below), whose sum is σ = 1467973463040. Its totient is φ = 1412329766400.

The previous prime is 1440045424199. The next prime is 1440045424261. The reversal of 1440045424249 is 9424245400441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1440045424249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440045424549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53081544 + ... + 53108665.

It is an arithmetic number, because the mean of its divisors is an integer number (183496682880).

Almost surely, 21440045424249 is an apocalyptic number.

It is an amenable number.

1440045424249 is a deficient number, since it is larger than the sum of its proper divisors (27928038791).

1440045424249 is a wasteful number, since it uses less digits than its factorization.

1440045424249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106190471.

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 1440045424249 in words is "one trillion, four hundred forty billion, forty-five million, four hundred twenty-four thousand, two hundred forty-nine".

Divisors: 1 71 191 13561 106190209 7539504839 20282329919 1440045424249