Search a number
-
+
20442124510 = 2519107590129
BaseRepresentation
bin10011000010011100…
…100001000011011110
31221202122110112001121
4103002130201003132
5313331140441020
613220241401154
71322401122433
oct230234410336
957678415047
1020442124510
118740056785
123b660391ba
131c0a177a82
14dbccd3b8a
157e99a0baa
hex4c27210de

20442124510 has 16 divisors (see below), whose sum is σ = 38732446800. Its totient is φ = 7746489216.

The previous prime is 20442124459. The next prime is 20442124559. The reversal of 20442124510 is 1542124402.

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, 53794875 + ... + 53795254.

It is an arithmetic number, because the mean of its divisors is an integer number (2420777925).

Almost surely, 220442124510 is an apocalyptic number.

20442124510 is a deficient number, since it is larger than the sum of its proper divisors (18290322290).

20442124510 is a wasteful number, since it uses less digits than its factorization.

20442124510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107590155.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20442124510 its reverse (1542124402), we get a palindrome (21984248912).

The spelling of 20442124510 in words is "twenty billion, four hundred forty-two million, one hundred twenty-four thousand, five hundred ten".

Divisors: 1 2 5 10 19 38 95 190 107590129 215180258 537950645 1075901290 2044212451 4088424902 10221062255 20442124510