Search a number
-
+
8437519142 = 213734445479
BaseRepresentation
bin1111101101110101…
…00101001100100110
3210210000200101022222
413312322211030212
5114240001103032
63513125152342
7416042505113
oct76672451446
923700611288
108437519142
11363a83a018
12177585b6b2
13a4608cca0
145a083790a
15345b20a12
hex1f6ea5326

8437519142 has 16 divisors (see below), whose sum is σ = 13816551840. Its totient is φ = 3840892992.

The previous prime is 8437519121. The next prime is 8437519159. The reversal of 8437519142 is 2419157348.

It is a junction number, because it is equal to n+sod(n) for n = 8437519093 and 8437519102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220842 + ... + 2224637.

It is an arithmetic number, because the mean of its divisors is an integer number (863534490).

Almost surely, 28437519142 is an apocalyptic number.

8437519142 is a deficient number, since it is larger than the sum of its proper divisors (5379032698).

8437519142 is a wasteful number, since it uses less digits than its factorization.

8437519142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445567.

The product of its digits is 241920, while the sum is 44.

The square root of 8437519142 is about 91855.9695501604. The cubic root of 8437519142 is about 2035.8147519823.

The spelling of 8437519142 in words is "eight billion, four hundred thirty-seven million, five hundred nineteen thousand, one hundred forty-two".

Divisors: 1 2 13 26 73 146 949 1898 4445479 8890958 57791227 115582454 324519967 649039934 4218759571 8437519142