Search a number
-
+
20424310130 = 257476207997
BaseRepresentation
bin10011000001011000…
…100011110101110010
31221201101221110022202
4103001120203311302
5313312110411010
613214403503202
71322063525450
oct230130436562
957641843282
1020424310130
118730a99554
123b60087b02
131c0657b413
14dba7b79d0
157e81326a5
hex4c1623d72

20424310130 has 32 divisors (see below), whose sum is σ = 42909682176. Its totient is φ = 6853627584.

The previous prime is 20424310117. The next prime is 20424310141. The reversal of 20424310130 is 3101342402.

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, 3100709 + ... + 3107288.

It is an arithmetic number, because the mean of its divisors is an integer number (1340927568).

Almost surely, 220424310130 is an apocalyptic number.

20424310130 is an abundant number, since it is smaller than the sum of its proper divisors (22485372046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424310130 is a wasteful number, since it uses less digits than its factorization.

20424310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208058.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20424310130 its reverse (3101342402), we get a palindrome (23525652532).

The spelling of 20424310130 in words is "twenty billion, four hundred twenty-four million, three hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 6207997 12415994 31039985 43455979 62079970 86911958 217279895 291775859 434559790 583551718 1458879295 2042431013 2917758590 4084862026 10212155065 20424310130