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14280137542505 = 519938537167861
BaseRepresentation
bin1100111111001101101010…
…0001101000101101101001
31212120011112100010121002202
43033303122201220231221
53332431210202330010
650212112110505545
73002464056232532
oct317633241505551
955504470117082
1014280137542505
1146061993a665a
1217277052052b5
137c77c3a34813
1437523b68d689
1519b6d495e6a5
hexcfcda868b69

14280137542505 has 16 divisors (see below), whose sum is σ = 17146873664784. Its totient is φ = 11416972385280.

The previous prime is 14280137542499. The next prime is 14280137542519. The reversal of 14280137542505 is 50524573108241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3603607432489 + 10676530110016 = 1898317^2 + 3267496^2 .

It is not a de Polignac number, because 14280137542505 - 224 = 14280120765289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14280137542505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84987275 + ... + 85155135.

It is an arithmetic number, because the mean of its divisors is an integer number (1071679604049).

Almost surely, 214280137542505 is an apocalyptic number.

It is an amenable number.

14280137542505 is a deficient number, since it is larger than the sum of its proper divisors (2866736122279).

14280137542505 is a wasteful number, since it uses less digits than its factorization.

14280137542505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178396.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 14280137542505 in words is "fourteen trillion, two hundred eighty billion, one hundred thirty-seven million, five hundred forty-two thousand, five hundred five".

Divisors: 1 5 1993 8537 9965 42685 167861 839305 17014241 85071205 334546973 1433029357 1672734865 7165146785 2856027508501 14280137542505