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142566550505 = 5101282310001
BaseRepresentation
bin1000010011000110100…
…0001110101111101001
3111121222201010011011022
42010301220032233221
54313434014104010
6145254423542225
713204634453561
oct2046150165751
9447881104138
10142566550505
115550a112565
12237692ba975
13105a0522b32
146c86443da1
153a961e5d55
hex2131a0ebe9

142566550505 has 8 divisors (see below), whose sum is σ = 172773721224. Its totient is φ = 112924000000.

The previous prime is 142566550487. The next prime is 142566550513. The reversal of 142566550505 is 505055665241.

It can be written as a sum of positive squares in 4 ways, for example, as 50500426729 + 92066123776 = 224723^2 + 303424^2 .

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

It is not a de Polignac number, because 142566550505 - 226 = 142499441641 is a prime.

It is a Duffinian 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, 141154496 + ... + 141155505.

It is an arithmetic number, because the mean of its divisors is an integer number (21596715153).

Almost surely, 2142566550505 is an apocalyptic number.

It is an amenable number.

142566550505 is a deficient number, since it is larger than the sum of its proper divisors (30207170719).

142566550505 is a wasteful number, since it uses less digits than its factorization.

142566550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282310107.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 142566550505 in words is "one hundred forty-two billion, five hundred sixty-six million, five hundred fifty thousand, five hundred five".

Divisors: 1 5 101 505 282310001 1411550005 28513310101 142566550505