Search a number
-
+
10255110440020 = 2252418732119937
BaseRepresentation
bin1001010100111011010000…
…1101110000010001010100
31100022101020021112100201221
42111032310031300101110
52321004431233040040
633451044355100124
72105623124325145
oct225166415602124
940271207470657
1010255110440020
1132a4193547516
1211976138a1644
1359508bc03704
142764c854dacc
1512bb5b72b74a
hex953b4370454

10255110440020 has 24 divisors (see below), whose sum is σ = 21535831120104. Its totient is φ = 4102025281536.

The previous prime is 10255110440009. The next prime is 10255110440027. The reversal of 10255110440020 is 2004401155201.

It can be written as a sum of positive squares in 4 ways, for example, as 2005543133584 + 8249567306436 = 1416172^2 + 2872206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10255110440027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777492 + ... + 5897428.

It is an arithmetic number, because the mean of its divisors is an integer number (897326296671).

Almost surely, 210255110440020 is an apocalyptic number.

10255110440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10255110440020 is an abundant number, since it is smaller than the sum of its proper divisors (11280720680084).

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

10255110440020 is a wasteful number, since it uses less digits than its factorization.

10255110440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361819 (or 2361817 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 10255110440020 its reverse (2004401155201), we get a palindrome (12259511595221).

The spelling of 10255110440020 in words is "ten trillion, two hundred fifty-five billion, one hundred ten million, four hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 241873 483746 967492 1209365 2119937 2418730 4239874 4837460 8479748 10599685 21199370 42398740 512755522001 1025511044002 2051022088004 2563777610005 5127555220010 10255110440020