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20030425110 = 2325222560279
BaseRepresentation
bin10010101001111010…
…000000100000010110
31220200221210000122200
4102221322000200112
5312010242100420
613111333305330
71306241542563
oct225172004026
956627700580
1020030425110
11854971a943
123a70195246
131b72a9b267
14d8036586a
157c377ab90
hex4a9e80816

20030425110 has 24 divisors (see below), whose sum is σ = 52079105520. Its totient is φ = 5341446672.

The previous prime is 20030425099. The next prime is 20030425111. The reversal of 20030425110 is 1152403002.

20030425110 is a `hidden beast` number, since 200 + 30 + 425 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030425111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111280050 + ... + 111280229.

It is an arithmetic number, because the mean of its divisors is an integer number (2169962730).

Almost surely, 220030425110 is an apocalyptic number.

20030425110 is an abundant number, since it is smaller than the sum of its proper divisors (32048680410).

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

20030425110 is a wasteful number, since it uses less digits than its factorization.

20030425110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222560292 (or 222560289 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20030425110 its reverse (1152403002), we get a palindrome (21182828112).

The spelling of 20030425110 in words is "twenty billion, thirty million, four hundred twenty-five thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 222560279 445120558 667680837 1112801395 1335361674 2003042511 2225602790 3338404185 4006085022 6676808370 10015212555 20030425110