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1442873015873 = 10871327390079
BaseRepresentation
bin10100111111110001111…
…011101111111001000001
312002221022022010122211122
4110333301323233321001
5142120000443001443
63022502520122025
7206146511163302
oct24776173577101
95087268118748
101442873015873
11506a12224713
121b377b306315
13a60a6c6cb13
144db9a5a67a9
15277ebea5968
hex14ff1eefe41

1442873015873 has 4 divisors (see below), whose sum is σ = 1444200407040. Its totient is φ = 1441545624708.

The previous prime is 1442873015833. The next prime is 1442873015891. The reversal of 1442873015873 is 3785103782441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1442873015873 - 214 = 1442872999489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442873015803) 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, 663693953 + ... + 663696126.

It is an arithmetic number, because the mean of its divisors is an integer number (361050101760).

Almost surely, 21442873015873 is an apocalyptic number.

It is an amenable number.

1442873015873 is a deficient number, since it is larger than the sum of its proper divisors (1327391167).

1442873015873 is a wasteful number, since it uses less digits than its factorization.

1442873015873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327391166.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 1442873015873 in words is "one trillion, four hundred forty-two billion, eight hundred seventy-three million, fifteen thousand, eight hundred seventy-three".

Divisors: 1 1087 1327390079 1442873015873