Search a number
-
+
20155024126 = 213191184443
BaseRepresentation
bin10010110001010101…
…010100001011111110
31221000122020022101001
4102301111110023332
5312234141233001
613131544040514
71312313610166
oct226125241376
957018208331
1020155024126
118602a92a36
123aa5a6313a
131b928455a3
14d92b1b5a6
157ce68e001
hex4b15542fe

20155024126 has 16 divisors (see below), whose sum is σ = 30497119488. Its totient is φ = 9989488600.

The previous prime is 20155024103. The next prime is 20155024163. The reversal of 20155024126 is 62142055102.

It is a junction number, because it is equal to n+sod(n) for n = 20155024094 and 20155024103.

It is a congruent 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, 196461 + ... + 280903.

It is an arithmetic number, because the mean of its divisors is an integer number (1906069968).

Almost surely, 220155024126 is an apocalyptic number.

20155024126 is a deficient number, since it is larger than the sum of its proper divisors (10342095362).

20155024126 is a wasteful number, since it uses less digits than its factorization.

20155024126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85487.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 20155024126 its reverse (62142055102), we get a palindrome (82297079228).

The spelling of 20155024126 in words is "twenty billion, one hundred fifty-five million, twenty-four thousand, one hundred twenty-six".

Divisors: 1 2 131 262 911 1822 84443 119341 168886 238682 11062033 22124066 76927573 153855146 10077512063 20155024126