Search a number
-
+
20200012125 = 35353866699
BaseRepresentation
bin10010110100000000…
…111011100101011101
31221010202212221022020
4102310000323211131
5312332200342000
613140232210353
71313401161426
oct226400734535
957122787266
1020200012125
1186264200a7
123ab8b399b9
131b9bc675c7
14d98aac64d
157d35c8ba0
hex4b403b95d

20200012125 has 16 divisors (see below), whose sum is σ = 33612820800. Its totient is φ = 10773339600.

The previous prime is 20200012117. The next prime is 20200012139. The reversal of 20200012125 is 52121000202.

It is not a de Polignac number, because 20200012125 - 23 = 20200012117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26932975 + ... + 26933724.

It is an arithmetic number, because the mean of its divisors is an integer number (2100801300).

Almost surely, 220200012125 is an apocalyptic number.

20200012125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20200012125 is a deficient number, since it is larger than the sum of its proper divisors (13412808675).

20200012125 is an equidigital number, since it uses as much as digits as its factorization.

20200012125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53866717 (or 53866707 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20200012125 its reverse (52121000202), we get a palindrome (72321012327).

The spelling of 20200012125 in words is "twenty billion, two hundred million, twelve thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 53866699 161600097 269333495 808000485 1346667475 4040002425 6733337375 20200012125