Search a number
-
+
20300430130 = 257925696747
BaseRepresentation
bin10010111001111111…
…111111101100110010
31221101202211200220121
4102321333333230302
5313033402231010
613154220400454
71316030544331
oct227177775462
957352750817
1020300430130
118678077692
123b266a612a
131bb69c6446
14da816bd18
157dc3123da
hex4b9fffb32

20300430130 has 16 divisors (see below), whose sum is σ = 37003317120. Its totient is φ = 8017384752.

The previous prime is 20300430113. The next prime is 20300430179. The reversal of 20300430130 is 3103400302.

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, 12847584 + ... + 12849163.

It is an arithmetic number, because the mean of its divisors is an integer number (2312707320).

Almost surely, 220300430130 is an apocalyptic number.

20300430130 is a deficient number, since it is larger than the sum of its proper divisors (16702886990).

20300430130 is a wasteful number, since it uses less digits than its factorization.

20300430130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25696833.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20300430130 its reverse (3103400302), we get a palindrome (23403830432).

The spelling of 20300430130 in words is "twenty billion, three hundred million, four hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 25696747 51393494 128483735 256967470 2030043013 4060086026 10150215065 20300430130